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A180382 Number of increasing sequences of n integers x(1),...,x(n) with values in 1..5*n such that x(j) divides x(k) iff j divides k. 1

%I #6 Jun 26 2022 20:34:29

%S 5,17,94,188,1229,585,2997,3247,3863,1050,8888,4394,20766,5504,1702,

%T 1672,15071,4805,36513,21449,13170,3054,26623,14500,13753,2927,3063,

%U 2868,25908,17044,159220,113391,87499,14314,16108,16108,172824,26451,16834

%N Number of increasing sequences of n integers x(1),...,x(n) with values in 1..5*n such that x(j) divides x(k) iff j divides k.

%C Column 5 of A180378.

%H R. H. Hardin, <a href="/A180382/b180382.txt">Table of n, a(n) for n=1..99</a>

%Y Cf. A180378.

%K nonn

%O 1,1

%A _R. H. Hardin_, Sep 01 2010

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Last modified April 23 03:30 EDT 2024. Contains 371906 sequences. (Running on oeis4.)