A000492Number of permutations of an n-sequence discordant with three given permutations (see reference) in n-6 places.
20, 154, 1676, 14292, 155690, 1731708, 21264624, 280260864, 3970116255, 60113625680, 969368687752, 16588175089420, 300272980075896, 5733025551810600, 115148956467702600, 2427199940533198992, …
The first 2 terms appear at position 500,958.
…79502884197169399375105820974944592307816406286208…
…69182538313306362338205820154885449827883821742437580…
| terms | string | first position | occurrences |
|---|---|---|---|
| 1 | 20 | 53 | 9,994,661 |
| 2 | 20154 | 500,958 | 9,949 |
| 3 | 201541676 | not within 1,000,000,000 | 0 |
Searched the first 1,000,000,000 digits. Strings longer than 12 digits are not indexed.