110 people attended OEIS-50 (videos, suggestions); annual fundraising drive to start soon (donate); editors, please edit! (stack is over 300), your editing is more valuable than any donation.
A156542(a(n)) = A001221(a(n));
Subsequence of A130176.
R. Zumkeller, Table of n, a(n) for n = 1..1000
Sequence in context: A230780 A067942 A130176 * A031143 A055492 A005459
Adjacent sequences: A156538 A156539 A156540 * A156542 A156543 A156544
Reinhard Zumkeller, Feb 10 2009