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A180379
Number of increasing sequences of n integers x(1),...,x(n) with values in 1..2*n such that x(j) divides x(k) iff j divides k
1
2, 4, 8, 11, 19, 12, 22, 22, 10, 5, 13, 12, 21, 12, 11, 12, 24, 29, 60, 83, 56, 29, 61, 83, 56, 29, 29, 29, 62, 83, 171, 253, 164, 83, 83, 83, 146, 83, 83, 83, 173, 245, 497, 731, 488, 245, 497, 731, 731, 731, 731, 731, 1471, 2189, 2189, 2189, 1460, 731, 1473, 2189, 3659
OFFSET
1,1
COMMENTS
Column 2 of A180378
LINKS
CROSSREFS
Sequence in context: A337501 A365922 A373080 * A033956 A282620 A320440
KEYWORD
nonn
AUTHOR
R. H. Hardin Sep 01 2010
STATUS
approved