A361005 Number of tilings of an n X 3 rectangle by integer-sided rectangular pieces that cannot be rearranged to produce a different tiling of the rectangle (except rotations and reflections of the original tiling).

3, 7, 9, 18, 22, 42, 48, 86, 101

Offset

1,1

Links

Table of n, a(n) for n=1..9.

Crossrefs

Third column of A361001.

Cf. A360632, A361000.

Sequence in context: A079464 A036976 A230116 * A031273 A140118 A191106

Adjacent sequences: A361002 A361003 A361004 * A361006 A361007 A361008

Keyword

nonn,more

Author

Pontus von Brömssen, Feb 28 2023

Status

approved