A367672 - OEIS

A367672

a(n) is the denominator of the probability that the free polyomino with binary code A246521(n+1) appears in the version of the Eden growth model described in A367671 when n square cells have been added.

1, 1, 3, 3, 14, 21, 84, 21, 12, 1008, 126, 21, 315, 5040, 126, 126, 2016, 1008, 126, 672, 60, 99792, 4989600, 1155, 3780, 9072, 66, 30240, 3360, 4536, 554400, 453600, 60, 45360, 60, 277200, 498960, 66, 5184, 9072, 45360, 189, 13860, 554400, 4620, 50400, 1260, 3465, 73920, 712800, 554400, 3465, 12960, 12600, 453600, 360

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OFFSET

1,3

COMMENTS

Can be read as an irregular triangle, whose n-th row contains A000105(n) terms, n >= 1.

Terms on the n-th row are (2*n-1)-smooth.

LINKS

Table of n, a(n) for n=1..56.

Index entries for sequences related to polyominoes.

FORMULA

A367671(n)/a(n) = (A367675(n)/A367676(n))*A335573(n+1).

EXAMPLE