A178879 a(n) = number of 8-digit primes with digit sum n, where n runs through the non-multiples of 3 in the range [2..71].

0, 4, 24, 154, 212, 787, 1705, 4214, 5721, 12546, 19040, 34639, 43707, 71879, 92223, 135728, 155461, 207991, 239885, 290527, 308077, 342616, 361131, 369562, 359649, 340025, 329342, 285616, 255417, 202540, 180681, 131074, 105061, 68902, 56183, 32950, 23410, 11766, 9033, 3957, 2082, 718, 468, 128, 37, 0, 4

Offset: 1

Author

N. J. A. Sloane, Dec 28 2010

Keywords

• nonn
• base
• fini
• full

Examples

			Digit-sums of 8-digit primes
Sum     count
2       0
4       4
5       24
7       154
8       212
10      787
11      1705
13      4214
14      5721
16      12546
17      19040
19      34639
20      43707
22      71879
23      92223
25      135728
26      155461
28      207991
29      239885
...
		

Links

• BigPrimes.net, Digit sums of primes