0,23

Table of n, a(n) for n=0..84.

Empirical g.f.: x^21 / ((x-1)^2*(x^20+x^15+x^10+x^5+1)). - Colin Barker, Apr 01 2013

Cf. A004524, A093390, A093391.

Sequence in context: A062985 A168092 A210032 * A079947 A094699 A194259

Adjacent sequences: A093389 A093390 A093391 * A093393 A093394 A093395

nonn

Reinhard Zumkeller, Mar 28 2004

approved