Square array T(n,k), n>=0, k>=0, read by antidiagonals, where column k is the expansion of e.g.f. cos( sqrt(k) * (exp(x) - 1) ).

A357728

Square array T(n,k), n>=0, k>=0, read by antidiagonals, where column k is the expansion of e.g.f. cos( 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) =-6a(20) =0a(21) =1a(22) =0a(23) =-4a(24) =-9a(25) =-10a(26) =-5a(27) =0a(28) =1a(29) =0

External references