Triangle T(n,k) which contains 16*n!*2^floor((n+1)/2) times the coefficient [t^n x^k] exp(t*x)/(15 + exp(8*t)) in row n, column k.

A171685

Triangle T(n,k) which contains 16*n!*2^floor((n+1)/2) times the coefficient [t^n x^k] exp(t*x)/(15 + exp(8*t)) in row n, column k.

Terms

    a(0) =1a(1) =-1a(2) =2a(3) =-7a(4) =-2a(5) =2a(6) =-83a(7) =-42a(8) =-6a(9) =4a(10) =-266a(11) =-332a(12) =-84a(13) =-8a(14) =4a(15) =5666a(16) =-2660a(17) =-1660a(18) =-280a(19) =-20a(20) =8a(21) =146762a(22) =33996a(23) =-7980a(24) =-3320a(25) =-420a(26) =-24a(27) =8a(28) =3415978a(29) =2054668

External references