A186992 Number of subsets of {1, 2, ..., n} containing n and having <=8 pairwise coprime elements.

1, 2, 4, 4, 12, 4, 28, 16, 32, 12, 116, 16, 248, 48, 72, 112, 728, 64, 1512, 192, 384, 256, 3783, 255, 3086, 732, 2674, 826, 14164, 255, 25999, 6275, 5769, 3785, 8818, 1681, 67036, 7984, 13643, 4910, 133296, 2664, 218406, 24268, 26254

Offset

1,2

Links

Alois P. Heinz, Table of n, a(n) for n = 1..200

Crossrefs

Column 8 of triangle A186975. Sum of A186991 and A186979.

Sequence in context: A186989 A186990 A186991 * A186993 A186973 A225232

Adjacent sequences: A186989 A186990 A186991 * A186993 A186994 A186995

Keyword

nonn

Author

Alois P. Heinz, Mar 03 2011

Status

approved