Triangle read by rows, expansion of e.g.f. exp(x*(exp(z)/3 + 2*exp(-z/2)* cos(z*sqrt(3)/2)/3 - 1)), nonzero coefficients of z.

A291451

Triangle read by rows, expansion of e.g.f. exp(x*(exp(z)/3 + 2*exp(-z/2)* cos(z*sqrt(3)/2)/3 - 1)), nonzero coefficients of z.

Terms

    a(0) =1a(1) =0a(2) =1a(3) =0a(4) =1a(5) =10a(6) =0a(7) =1a(8) =84a(9) =280a(10) =0a(11) =1a(12) =682a(13) =9240a(14) =15400a(15) =0a(16) =1a(17) =5460a(18) =260260a(19) =1401400a(20) =1401400a(21) =0a(22) =1a(23) =43690a(24) =7128576a(25) =99379280a(26) =285885600a(27) =190590400a(28) =0a(29) =1

External references