0,3

a(n) = 1/10*(n-(n mod 10))*(729*n^2-14879*n+75971)+ (n mod 10)

Cf. A038178.

Sequence in context: A024663 A038178 A023106 this_sequence A098766 A032799 A160343

Adjacent sequences: A135477 A135478 A135479 this_sequence A135481 A135482 A135483

nonn

Rolf Pleisch (r_pleisch(AT)gmx.ch), Feb 06 2008