Square array T(n,k), n>=0, k>=0, read by antidiagonals, where column k is the expansion of e.g.f. cosh( sqrt(k) * (exp(x) - 1) ).
A357681
Square array T(n,k), n>=0, k>=0, read by antidiagonals, where column k is the expansion of e.g.f. cosh( sqrt(k) * (exp(x) - 1) ).
Terms
- a(0) =1a(1) =1a(2) =0a(3) =1a(4) =0a(5) =0a(6) =1a(7) =0a(8) =1a(9) =0a(10) =1a(11) =0a(12) =2a(13) =3a(14) =0a(15) =1a(16) =0a(17) =3a(18) =6a(19) =8a(20) =0a(21) =1a(22) =0a(23) =4a(24) =9a(25) =18a(26) =25a(27) =0a(28) =1a(29) =0
External references
- oeis: A357681