OFFSET
1,2
LINKS
BigPrimes.net, Digit sums of primes
EXAMPLE
Digit-sums of 7-digit primes
Sum count
2 0
4 5
5 21
7 95
8 138
10 420
11 773
13 1747
14 2329
16 4616
17 6456
19 10496
20 12743
22 18710
23 22447
25 29209
26 32075
28 38631
29 41150
...
CROSSREFS
KEYWORD
nonn,base,fini,full
AUTHOR
N. J. A. Sloane, Dec 28 2010
STATUS
approved