Triangle T where the g.f. of row n of T^(2n) = (2n^2 + y)^n for n>=0, as read by rows, where T^n denotes the n-th matrix power of T.
A177390
Triangle T where the g.f. of row n of T^(2n) = (2n^2 + y)^n for n>=0, as read by rows, where T^n denotes the n-th matrix power of T.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =10a(4) =4a(5) =1a(6) =447a(7) =72a(8) =9a(9) =1a(10) =50040a(11) =4624a(12) =264a(13) =16a(14) =1a(15) =10435970a(16) =683300a(17) =23750a(18) =700a(19) =25a(20) =1a(21) =3470932404a(22) =178979256a(23) =4569480a(24) =84840a(25) =1530a(26) =36a(27) =1a(29) =72215891104a(30) =1489987002
External references
- oeis: A177390