Keep discovering.
This is a short path through every one of Discover Alone's real place records. Follow the first choice each time to move through the complete archive, or take another branch.
- Next place in the full archive: Fairy fort / stone ringfort in Finanagh,monanoeFairy fort / stone ringfort · Finanagh,monanoe
- Another way through the archive: Barrow — ring-barrow in Garryduff (newtown Ed)Barrow — ring-barrow · Garryduff (newtown Ed)
- Another way through the archive: Castle — Causestown (lune By.)Castle — tower house · Causestown (lune By.)
- Another way through the archive: TWO MOUNDS — BARROWS? in LisnahiltTWO MOUNDS — BARROWS? · Lisnahilt
- Another way through the archive: NON-ANTIQUITY in Tattykeel (rogers)NON-ANTIQUITY · Tattykeel (rogers)
- Another way through the archive: Embanked enclosure — MonvoyFairy fort / earthen ringfort · Monvoy
The archive in numbers
Lemma 1 · Complete cycle
pₙ₊₁ = (pₙ + 1) mod 237,537
Adding one has no common divisor with the archive size except one. The first choice therefore reaches every one of the 237,537 place pages exactly once before it repeats.
Lemma 2 · Six ways onward
D = {1, 97, 997, 10,007, 50,021, 100,003}
Each page offers these six forward distances. The distance of one preserves the complete cycle; the other five jump to far-apart parts of the same archive.
Lemma 3 · County total
Σ Ncounty = 237,606; unique pages = 237,537
The 32 county lists contain 237,606 placements. They become 237,537 different page addresses because 69 placements repeat an address already present in another county list.
All 32 county counts
| Antrim | 6,564 |
| Armagh | 1,424 |
| Carlow | 2,399 |
| Cavan | 4,271 |
| Clare | 10,203 |
| Cork | 29,379 |
| Derry | 2,605 |
| Donegal | 6,950 |
| Down | 5,464 |
| Dublin | 12,718 |
| Fermanagh | 3,131 |
| Galway | 15,690 |
| Kerry | 16,101 |
| Kildare | 5,055 |
| Kilkenny | 8,382 |
| Laois | 3,254 |
| Leitrim | 2,929 |
| Limerick | 10,994 |
| Longford | 3,609 |
| Louth | 3,980 |
| Mayo | 11,356 |
| Meath | 6,546 |
| Monaghan | 3,057 |
| Offaly | 6,327 |
| Roscommon | 7,241 |
| Sligo | 7,877 |
| Tipperary | 12,011 |
| Tyrone | 2,717 |
| Waterford | 6,511 |
| Westmeath | 6,399 |
| Wexford | 7,526 |
| Wicklow | 4,936 |
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