References to A171007

Sequence S constructed with the property that the next term is the smallest integer not yet present in S such that the sum of the a(n) first digits of S is a prime.
2, 1, 4, 6, 3, 7, 8, 60, 9, 11, 14, 17, 61, 16, 22, 25, 30, 26, 28, 34, 49, 37, 200, 36, 38

1 seqfan posts