A332955a(0) = 1 and a(n) = A309807(n) - A309807(n-1) for n > 0.
1, 0, 0, 1, 1, 3, 3, 10, 11, 30, 48, 114, 166, 486, 727, 1643, …
The first 2 terms appear at position 49.
1415926535897932384626433…
…38327950288419716939937510582097494459230781640628…
…533446850352619311881710100031378387528865875332083…
…8505807171863810549679731001678708506942070922329080…
…51543342603066988317683310011331086904219390310801437…
…515433426030669883176833100113310869042193903108014378…
…5154334260306698831768331001133108690421939031080143784…
…515433426030669883176833100113310869042193903108014378433…
| terms | string | first position | occurrences |
|---|---|---|---|
| 1 | 1 | 1 | 99,997,334 |
| 2 | 10 | 49 | 9,997,289 |
| 3 | 100 | 854 | 1,000,669 |
| 4 | 1001 | 15,761 | 99,522 |
| 5 | 10011 | 16,015 | 9,946 |
| 6 | 100113 | 16,015 | 1,018 |
| 7 | 1001133 | 16,015 | 109 |
| 8 | 100113310 | 16,015 | 4 |
| 9 | 10011331011 | not within 1,000,000,000 | 0 |
Searched the first 1,000,000,000 digits. Strings longer than 12 digits are not indexed.