A178884 a(n) = number of 9-digit primes with digit sum n, where n runs through the non-multiples of 3 in the range [2..80].
0, 2, 26, 226, 372, 1457, 3312, 9159, 13320, 32077, 50752, 102027, 138554, 249053, 331920, 535444, 655423, 966278, 1152057, 1546854, 1751100, 2168566, 2374001, 2719026, 2850784, 3029814, 3063907, 3019100, 2943918, 2691740, 2519884, 2134422, 1930862, 1511648, 1303187, 935353, 783315, 514221, 402227, 238252, 182466, 97415, 66012, 30140, 21162, 8438, 4350, 1311, 906, 170, 65, 3, 1
Offset: 1
Examples
Digit-sums of 9-digit primes Sum count 2 0 4 2 5 26 7 226 8 372 10 1457 11 3312 13 9159 14 13320 16 32077 17 50752 19 102027 20 138554 22 249053 23 331920 25 535444 26 655423 28 966278 29 1152057 31 1546854 32 1751100 34 2168566 ...
Links
- BigPrimes.net, Digit sums of primes