Triangle T(n,k) represents the coefficients of (x^12*d/dx)^n, where n>=1; generalization of Stirling numbers of second kind A008277, Lah-numbers A008297.

A223514

Triangle T(n,k) represents the coefficients of (x^12*d/dx)^n, where n>=1; generalization of Stirling numbers of second kind A008277, Lah-numbers A008297.

Terms

    a(0) =1a(1) =12a(2) =1a(3) =276a(4) =36a(5) =1a(6) =9384a(7) =1536a(8) =72a(9) =1a(10) =422280a(11) =80040a(12) =4920a(13) =120a(14) =1a(15) =23647680a(16) =4984560a(17) =365400a(18) =12000a(19) =180a(20) =1a(21) =1584394560a(22) =362597760a(23) =30197160a(24) =1205400a(25) =24780a(26) =252a(27) =1a(28) =123582775680a(29) =30229617600

External references