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A018795
Number of subsets of { 1, ..., n } containing an A.P. of length 10.
0
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
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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
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Last modified March 18 22:09 EDT 2024. Contains 370951 sequences. (Running on oeis4.)