Triangle read by rows, T(n, k) = binomial(3*(prime(n+1) - 1)/2, 3*(prime(k+1) - 1)/2) with T(n,0) = 1.

A154652

Triangle read by rows, T(n, k) = binomial(3*(prime(n+1) - 1)/2, 3*(prime(k+1) - 1)/2) with T(n,0) = 1.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =20a(5) =1a(6) =1a(7) =84a(8) =84a(9) =1a(10) =1a(11) =455a(12) =5005a(13) =5005a(14) =1a(15) =1a(16) =816a(17) =18564a(18) =48620a(19) =816a(20) =1a(21) =1a(22) =2024a(23) =134596a(24) =1307504a(25) =1307504a(26) =134596a(27) =1a(28) =1a(29) =2925

External references