A178447 a(n) = number of 4-digit primes with digit sum n, where n runs through the non-multiples of 3 in the range [2..34].

0, 4, 8, 20, 19, 31, 52, 67, 77, 93, 101, 116, 95, 92, 91, 63, 51, 29, 30, 16, 5, 0, 1

Offset

1,2

Links

Table of n, a(n) for n=1..23.

BigPrimes.net, Digit sums of primes

Example

Digit-sums of 4-digit primes
Sum     count
2       0
4       4
5       8
7       20
8       19
10      31
11      52
13      67
14      77
16      93
17      101
19      116
20      95
22      92
23      91
25      63
26      51
28      29
29      30
31      16
32      5
34      0
35      1

Crossrefs

Sequence in context: A332367 A273143 A273174 * A006580 A061814 A087254

Adjacent sequences: A178444 A178445 A178446 * A178448 A178449 A178450

Keyword

nonn,base,fini,full

Author

N. J. A. Sloane, Dec 28 2010

Status

approved