Triangle read by rows. T(n, k) = n! * BellPolynomial(n, k).

Terms

a(0) =1a(1) =0a(2) =1a(3) =0a(4) =4a(5) =12a(6) =0a(7) =30a(8) =132a(9) =342a(10) =0a(11) =360a(12) =2256a(13) =7416a(14) =18144a(15) =0a(16) =6240a(17) =54480a(18) =223920a(19) =651360a(20) =1545600a(21) =0a(22) =146160a(23) =1749600a(24) =8892720a(25) =30496320a(26) =82911600a(27) =193030560a(28) =0a(29) =4420080