A186993 Number of subsets of {1, 2, ..., n} containing n and having <=9 pairwise coprime elements.

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

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 A326824

Adjacent sequences: A186990 A186991 A186992 * A186994 A186995 A186996

Keyword

nonn

Author

Alois P. Heinz, Mar 03 2011

Status

approved