Irregular triangle read by rows. Coefficients of the polynomials (-1)^n*binomial(-x - 1, -x - n - 1) * binomial(n + x, x) * (n!)^2 in ascending order of powers.

A358501

Irregular triangle read by rows. Coefficients of the polynomials (-1)^n*binomial(-x - 1, -x - n - 1) * binomial(n + x, x) * (n!)^2 in ascending order of powers.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =1a(4) =4a(5) =12a(6) =13a(7) =6a(8) =1a(9) =36a(10) =132a(11) =193a(12) =144a(13) =58a(14) =12a(15) =1a(16) =576a(17) =2400a(18) =4180a(19) =3980a(20) =2273a(21) =800a(22) =170a(23) =20a(24) =1a(25) =14400a(26) =65760a(27) =129076a(28) =143700a(29) =100805

External references