Numbers k such that k divides 1 plus the sum of the first k primes.

Terms

a(0) =1a(1) =2a(2) =6a(3) =10a(4) =20a(5) =22a(6) =28a(7) =155a(8) =488a(9) =664a(10) =992a(11) =6162a(12) =7840a(13) =7975a(14) =8793a(15) =18961a(16) =32422a(17) =148220a(18) =231625a(19) =332198a(20) =459121a(21) =462932a(22) =2115894a(23) =8108930a(24) =10336641a(25) =11789731a(26) =15500046a(27) =23483195a(28) =46571611a(29) =48582404