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].

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].

Terms

    a(0) =0a(1) =5a(2) =21a(3) =95a(4) =138a(5) =420a(6) =773a(7) =1747a(8) =2329a(9) =4616a(10) =6456a(11) =10496a(12) =12743a(13) =18710a(14) =22447a(15) =29209a(16) =32075a(17) =38631a(18) =41150a(19) =44442a(20) =44915a(21) =44025a(22) =42891a(23) =37872a(24) =35177a(25) =28462a(26) =24722a(27) =18033a(28) =15169a(29) =9903

External references