Triangle T(n, k) = c(n)/(c(k)*c(n-k)) where c(n) = 12*Product_{j=3..n} ( 12 * binomial(j+2, 4) ) with c(0) = c(1) = 1, read by rows.

A174151

Triangle T(n, k) = c(n)/(c(k)*c(n-k)) where c(n) = 12*Product_{j=3..n} ( 12 * binomial(j+2, 4) ) with c(0) = c(1) = 1, read by rows.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =12a(5) =1a(6) =1a(7) =60a(8) =60a(9) =1a(10) =1a(11) =180a(12) =900a(13) =180a(14) =1a(15) =1a(16) =420a(17) =6300a(18) =6300a(19) =420a(20) =1a(21) =1a(22) =840a(23) =29400a(24) =88200a(25) =29400a(26) =840a(27) =1a(28) =1a(29) =1512

External references