A087054Primes of the form pq + qr + rp where p, q and r are distinct primes.
31, 41, 59, 61, 71, 101, 103, 113, 131, 151, 167, 191, 199, 211, 227, 239, …
The first term appear at position 137.
…82306647093844609550582231725359408128481117450284…
…2091444210067510334671103141267111369908658516398315…
…580057761373094604324573314159787616555372263016164233…
…91989482713711040973093631415961285304501083697049710251…
| terms | string | first position | occurrences |
|---|---|---|---|
| 1 | 31 | 137 | 9,995,316 |
| 2 | 3141 | 3,496 | 99,801 |
| 3 | 314159 | 176,451 | 1,002 |
| 4 | 31415961 | 14,457,495 | 16 |
| 5 | 3141596171 | not within 1,000,000,000 | 0 |
Searched the first 1,000,000,000 digits. Strings longer than 12 digits are not indexed.