Numerators of sum of rows of the inverse of the triangle of Euler polynomial coefficients P(0,x)=1, 2P(n,x)=(1+x)*[(1+x)^(n-1)+x^(n-1)].

A230011

Numerators of sum of rows of the inverse of the triangle of Euler polynomial coefficients P(0,x)=1, 2P(n,x)=(1+x)*[(1+x)^(n-1)+x^(n-1)].

Terms

    a(0) =1a(1) =0a(2) =1a(3) =-1a(4) =1a(5) =-1a(6) =3a(7) =-3a(8) =-11a(9) =11a(10) =113a(11) =-113a(12) =-1269a(13) =1269a(14) =20575a(15) =-20575a(16) =-888419a(17) =888419a(18) =24729909a(19) =-24729909a(20) =-862992415a(21) =862992415a(22) =36913939753a(23) =-36913939753

External references