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A186992 Number of subsets of {1, 2, ..., n} containing n and having <=8 pairwise coprime elements. 4
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 (list; graph; refs; listen; history; text; internal format)
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

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Last modified November 17 16:08 EST 2019. Contains 329241 sequences. (Running on oeis4.)