A178605 a(n) = number of 6-digit primes with digit sum n, where n runs through the non-multiples of 3 in the range [2..53].
0, 2, 14, 58, 76, 204, 389, 660, 852, 1448, 1971, 2832, 3101, 4064, 4651, 5393, 5376, 5570, 5785, 5287, 4796, 3975, 3671, 2687, 2080, 1405, 1135, 630, 405, 178, 140, 51, 16, 3, 1
Offset: 1
Examples
Digit-sums of 6-digit primes Sum count 2 0 4 2 5 14 7 58 8 76 10 204 11 389 13 660 14 852 16 1448 17 1971 19 2832 20 3101 22 4064 23 4651 25 5393 26 5376 ...
Links
- BigPrimes.net, Digit sums of primes