S(n,k) an additive decomposition of the Springer number (generalized Euler number), (triangle read by rows).

A154343

S(n,k) an additive decomposition of the Springer number (generalized Euler number), (triangle read by rows).

Terms

    a(0) =1a(1) =3a(2) =-2a(3) =9a(4) =-16a(5) =4a(6) =27a(7) =-98a(8) =60a(9) =0a(10) =81a(11) =-544a(12) =616a(13) =0a(14) =-96a(15) =243a(16) =-2882a(17) =5400a(18) =0a(19) =-3360a(20) =960a(21) =729a(22) =-14896a(23) =43564a(24) =0a(25) =-72480a(26) =46080a(27) =-5760a(28) =2187a(29) =-75938

External references