A381825Odd cubefull exponentially odd numbers: numbers whose prime factorization has only odd primes and odd exponents that are larger than 1 (except for 1 whose prime factorization is empty).
1, 27, 125, 243, 343, 1331, 2187, 2197, 3125, 3375, 4913, 6859, 9261, 12167, 16807, 19683, …
The first 2 terms appear at position 297.
1415926535897932384626433…
…432664821339360726024914127372458700660631558817488…
…332810494710097653886108127125966994734619791133838764…
| terms | string | first position | occurrences |
|---|---|---|---|
| 1 | 1 | 1 | 99,997,334 |
| 2 | 127 | 297 | 1,000,569 |
| 3 | 127125 | 1,485,230 | 1,008 |
| 4 | 127125243 | not within 1,000,000,000 | 0 |
| 5 | 127125243343 | not within 1,000,000,000 | 0 |
Searched the first 1,000,000,000 digits. Strings longer than 12 digits are not indexed.