A000488Generalized tangent numbers d_(n,3).
16, 361, 3362, 16384, 55744, 152166, 355688, 739328, 1415232, 2529614, 4261454, 6885376, 10708160, 16054580, 23494584, 33554432, …
The first term appear at position 40.
…23846264338327950288419716939937510582097494459230…
…43927015497408792731310516361191375770089295648233236…
| terms | string | first position | occurrences |
|---|---|---|---|
| 1 | 16 | 40 | 10,001,877 |
| 2 | 16361 | 55,891 | 9,905 |
| 3 | 163613362 | not within 1,000,000,000 | 0 |
Searched the first 1,000,000,000 digits. Strings longer than 12 digits are not indexed.