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

1,2

Links

Table of n, a(n) for n=1..47.

BigPrimes.net, Digit sums of primes

Example

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
...

Crossrefs

Sequence in context: A262407 A192927 A003288 * A091166 A078108 A210474

Adjacent sequences: A178876 A178877 A178878 * A178880 A178881 A178882

Keyword

nonn,base,fini,full

Author

N. J. A. Sloane, Dec 28 2010

Status

approved