OFFSET
1,2
LINKS
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
KEYWORD
nonn,base,fini,full
AUTHOR
N. J. A. Sloane, Dec 28 2010
STATUS
approved