a(n) = number of 9-digit primes with digit sum n, where n runs through the non-multiples of 3 in the range [2..80].

A178884

a(n) = number of 9-digit primes with digit sum n, where n runs through the non-multiples of 3 in the range [2..80].

Terms

    a(0) =0a(1) =2a(2) =26a(3) =226a(4) =372a(5) =1457a(6) =3312a(7) =9159a(8) =13320a(9) =32077a(10) =50752a(11) =102027a(12) =138554a(13) =249053a(14) =331920a(15) =535444a(16) =655423a(17) =966278a(18) =1152057a(19) =1546854a(20) =1751100a(21) =2168566a(22) =2374001a(23) =2719026a(24) =2850784a(25) =3029814a(26) =3063907a(27) =3019100a(28) =2943918a(29) =2691740

External references