A007762 Number of domino tilings of a certain region.

1, 8, 120, 2288, 49680, 1170968, 29206632, 759265760, 20371816992, 560386232744

Offset

1,2

Links

Table of n, a(n) for n=1..10.

Jon Maiga, Computer-generated formulas for A007762, Sequence Machine.

Index entries for sequences related to dominoes

Formula

a(n) = A006318(n-1) * A104550(n) for all known terms [discovered by Sequence Machine]. - Andrey Zabolotskiy, Oct 12 2021

Crossrefs

Sequence in context: A133308 A191098 A151834 * A211825 A113383 A218671

Adjacent sequences: A007759 A007760 A007761 * A007763 A007764 A007765

Keyword

nonn,unkn,more

Author

James Propp

Status

approved