Square array A(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of e.g.f. (sec(x) + tan(x))^k.
A322267
Square array A(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of e.g.f. (sec(x) + tan(x))^k.
Terms
- a(0) =1a(1) =1a(2) =0a(3) =1a(4) =1a(5) =0a(6) =1a(7) =2a(8) =1a(9) =0a(10) =1a(11) =3a(12) =4a(13) =2a(14) =0a(15) =1a(16) =4a(17) =9a(18) =10a(19) =5a(20) =0a(21) =1a(22) =5a(23) =16a(24) =30a(25) =32a(26) =16a(27) =0a(28) =1a(29) =6
External references
- oeis: A322267