A018795 Number of subsets of { 1, ..., n } containing an A.P. of length 10.

0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 3, 8, 20, 48, 112, 256, 576, 1280, 3280, 7968, 17840, 39487, 86587, 188396, 407230, 875320, 1872332, 4218648, 9382099, 20646176, 44125836, 93902740

Offset

0,12

Links

Table of n, a(n) for n=0..32.

Crossrefs

Sequence in context: A168150 A001792 A049610 * A018794 A018793 A018792

Adjacent sequences: A018792 A018793 A018794 * A018796 A018797 A018798

Keyword

nonn

Author

David W. Wilson

Status

approved