1,2

a(n) is coefficient of x^n in expansion of n!^3*(1+x/1!^3+x^2/2!^3+x^3/3!^3+...+x^n/n!^3)^n.

Cf. A033935.

Sequence in context: A117312 A000591 A131312 this_sequence A024136 A013405 A013404

Adjacent sequences: A055730 A055731 A055732 this_sequence A055734 A055735 A055736

nonn

Vladeta Jovovic (vladeta(AT)eunet.rs), Jun 09 2000