A178876 a(n) = number of 7-digit primes with digit sum n, where n runs through the non-multiples of 3 in the range [2..62].

0, 5, 21, 95, 138, 420, 773, 1747, 2329, 4616, 6456, 10496, 12743, 18710, 22447, 29209, 32075, 38631, 41150, 44442, 44915, 44025, 42891, 37872, 35177, 28462, 24722, 18033, 15169, 9903, 7611, 4220, 3227, 1599, 959, 387, 283, 87, 31, 4, 1

Offset: 1

Author

N. J. A. Sloane, Dec 28 2010

Keywords

• nonn
• base
• fini
• full

Examples

			Digit-sums of 7-digit primes
Sum     count
2       0
4       5
5       21
7       95
8       138
10      420
11      773
13      1747
14      2329
16      4616
17      6456
19      10496
20      12743
22      18710
23      22447
25      29209
26      32075
28      38631
29      41150
...
		

Links

• BigPrimes.net, Digit sums of primes