A137506a(2*n+1) = 141 + 124*n, a(2*n+2) = |a(2*n) - 24| with a(2)=59, thus a(4,6,8,...) = 35,11,13,11,13...
141, 59, 265, 35, 389, 11, 513, 13, 637, 11, 761, 13, 885, 11, 1009, 13, …
The first 4 terms appear at position 1.
141592653589793238462643383…
14159265358979323846264338327…
14159265358979323846264338327950…
1415926535897932384626433832795028…
| terms | string | first position | occurrences |
|---|---|---|---|
| 1 | 141 | 1 | 999,577 |
| 2 | 14159 | 1 | 10,011 |
| 3 | 14159265 | 1 | 12 |
| 4 | 1415926535 | 1 | 1 |
Searched the first 1,000,000,000 digits. Strings longer than 12 digits are not indexed.