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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].
4
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
1,2
EXAMPLE
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
...
CROSSREFS
For 2- through 9-digit primes the counts are in A177868, A178183, A178447, A178571, A178605, A178876, A178879, A178884.
Sequence in context: A072415 A197468 A184354 * A211319 A121768 A280556
KEYWORD
nonn,base,fini,full
AUTHOR
N. J. A. Sloane, Dec 28 2010
STATUS
approved