Triangle read by rows: coefficients of a Bessel polynomial recursion: P(x, n) = 2*(n-1)*P(x, n - 1)/x - n*P(x, n - 2) with substitution x -> 1/y.

A136668

Triangle read by rows: coefficients of a Bessel polynomial recursion: P(x, n) = 2*(n-1)*P(x, n - 1)/x - n*P(x, n - 2) with substitution x -> 1/y.

Terms

    a(0) =1a(1) =0a(2) =1a(3) =-2a(4) =0a(5) =2a(6) =0a(7) =-11a(8) =0a(9) =8a(10) =8a(11) =0a(12) =-74a(13) =0a(14) =48a(15) =0a(16) =119a(17) =0a(18) =-632a(19) =0a(20) =384a(21) =-48a(22) =0a(23) =1634a(24) =0a(25) =-6608a(26) =0a(27) =3840a(28) =0a(29) =-1409

External references