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A186993 Number of subsets of {1, 2, ..., n} containing n and having <=9 pairwise coprime elements. 3
1, 2, 4, 4, 12, 4, 28, 16, 32, 12, 116, 16, 248, 48, 72, 112, 728, 64, 1520, 192, 384, 256, 3864, 256, 3160, 736, 2744, 832, 15220, 256, 29639, 7068, 6167, 4032, 9439, 1770, 81966, 8940, 15305, 5423, 175539, 2949, 311499, 31099, 33019 (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 9 of triangle A186975. Sum of A186992 and A186980.

Sequence in context: A186990 A186991 A186992 * A186973 A225232 A000936

Adjacent sequences:  A186990 A186991 A186992 * A186994 A186995 A186996

KEYWORD

nonn

AUTHOR

Alois P. Heinz, Mar 03 2011

STATUS

approved

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Last modified August 20 11:34 EDT 2017. Contains 290835 sequences.