cp's OEIS Frontend

A178876 a(n) = number of 7-digit primes with digit sum n, where n runs through the non-multiples of 3 in the range [2..62].

%I A178876 #6 Mar 30 2012 16:51:57
%S A178876 0,5,21,95,138,420,773,1747,2329,4616,6456,10496,12743,18710,22447,
%T A178876 29209,32075,38631,41150,44442,44915,44025,42891,37872,35177,28462,
%U A178876 24722,18033,15169,9903,7611,4220,3227,1599,959,387,283,87,31,4,1
%N A178876 a(n) = number of 7-digit primes with digit sum n, where n runs through the non-multiples of 3 in the range [2..62].
%H A178876 BigPrimes.net, <a href="//http://www.bigprimes.net/sum-of-digits/">Digit sums of primes</a>
%e A178876 Digit-sums of 7-digit primes
%e A178876 Sum     count
%e A178876 2       0
%e A178876 4       5
%e A178876 5       21
%e A178876 7       95
%e A178876 8       138
%e A178876 10      420
%e A178876 11      773
%e A178876 13      1747
%e A178876 14      2329
%e A178876 16      4616
%e A178876 17      6456
%e A178876 19      10496
%e A178876 20      12743
%e A178876 22      18710
%e A178876 23      22447
%e A178876 25      29209
%e A178876 26      32075
%e A178876 28      38631
%e A178876 29      41150
%e A178876 ...
%K A178876 nonn,base,fini,full
%O A178876 1,2
%A A178876 _N. J. A. Sloane_, Dec 28 2010