a(n) = 2nd elementary symmetric function of {1, prime(1), prime(2), ..., prime(n-1)}, where prime(0) = 1.

A024522

a(n) = 2nd elementary symmetric function of {1, prime(1), prime(2), ..., prime(n-1)}, where prime(0) = 1.

Terms

    a(0) =2a(1) =11a(2) =41a(3) =118a(4) =316a(5) =693a(6) =1407a(7) =2528a(8) =4322a(9) =7251a(10) =11281a(11) =17238a(12) =25356a(13) =35633a(14) =48887a(15) =66324a(16) =88862a(17) =115763a(18) =149397a(19) =189796a(20) =236516a(21) =292843a(22) =358579a(23) =436454a(24) =529962a(25) =637123a(26) =756809a(27) =892164a(28) =1041712a(29) =1209065

External references