A346767a(n) = Sum_{k=0..n} Stirling2(n,k) * binomial(6*k,k) / (5*k + 1).
1, 1, 7, 70, 855, 11907, 182714, 3029040, 53565875, 1001599339, 19674910572, 404009742858, 8638256718929, 191702754433132, 4403979321915615, 104496256532120370, …
The first 4 terms appear at position 38,135.
1415926535897932384626433…
…40628620899862803482534211706798214808651328230664…
…406286208998628034825342117067982148086513282306647…
…32471107466222850871066611770346535283957762599774467…
…80623934278750784345541011770855799220196904740773776752…
| terms | string | first position | occurrences |
|---|---|---|---|
| 1 | 1 | 1 | 99,997,334 |
| 2 | 11 | 94 | 9,997,964 |
| 3 | 117 | 94 | 1,000,425 |
| 4 | 11770 | 38,135 | 10,133 |
| 5 | 11770855 | 358,593,267 | 11 |
Searched the first 1,000,000,000 digits. Strings longer than 12 digits are not indexed.