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A367761
a(n) is the denominator of the probability that the free polyomino with binary code A246521(n+1) appears in the Eden growth model on the square lattice, when n square cells have been added.
8
1, 1, 3, 3, 3, 6, 4, 6, 12, 5, 30, 30, 15, 60, 15, 30, 120, 60, 30, 40, 60, 450, 600, 90, 90, 600, 90, 900, 48, 600, 48, 1800, 90, 450, 90, 40, 48, 90, 1800, 80, 48, 180, 90, 48, 90, 80, 180, 180, 96, 40, 48, 180, 40, 480, 360, 360, 151200, 756000, 756000, 10080, 10080, 151200, 151200, 630, 10080
OFFSET
1,3
COMMENTS
Can be read as an irregular triangle, whose n-th row contains A000105(n) terms, n >= 1.
FORMULA
A367760(n)/a(n) = (A367764(n)/A367765(n))*A335573(n+1).
EXAMPLE
As an irregular triangle:
1;
1;
3, 3;
3, 6, 4, 6, 12;
5, 30, 30, 15, 60, 15, 30, 120, 60, 30, 40, 60;
...
CROSSREFS
KEYWORD
nonn,frac,tabf
AUTHOR
STATUS
approved