1,1

It appears that terms >6 are simply given by : composite n such that n^2 doesn't divide A000254(n) - Benoit Cloitre, Mar 09 2004

Table of n, a(n) for n=1..56.

Cf. A002034, A060681.

Sequence in context: A161186 A102106 A175821 * A001746 A025070 A123704

Adjacent sequences: A074842 A074843 A074844 * A074846 A074847 A074848

easy,nonn

Jason Earls (zevi_35711(AT)yahoo.com), Sep 10 2002

approved