A000318Generalized tangent numbers d(4,n).
4, 128, 16384, 4456448, 2080374784, 1483911200768, 1501108249821184, 2044143848640217088, 3605459138582973251584, 7995891855149741436305408, 21776918737280678860353961984, 71454103701490016776039304265728, 278008871543597996197497752082448384
The first term appear at position 2.
14159265358979323846264338…
…4225125205117392984896084128488626945604241965285022…
| terms | string | first position | occurrences |
|---|---|---|---|
| 1 | 4 | 2 | 100,011,958 |
| 2 | 4128 | 1,863 | 100,564 |
| 3 | 412816384 | not within 1,000,000,000 | 0 |
Searched the first 1,000,000,000 digits. Strings longer than 12 digits are not indexed.