A359025 Number of inequivalent tilings of a 9 X n rectangle using integer-sided square tiles.

1, 1, 30, 163, 2403, 32097, 459957, 6542578, 93604244

Offset

0,3

Links

Table of n, a(n) for n=0..8.

Crossrefs

Column k = 9 of A227690.

Sequences for fixed and free (inequivalent) tilings of m X n rectangles, for 2 <= m <= 10:

Fixed: A000045, A002478, A054856, A054857, A219925, A219926, A219927, A219928, A219929.

Free: A001224, A359019, A359020, A359021, A359022, A359023, A359024, A359025, A359026.

Sequence in context: A141221 A159884 A358180 * A074357 A140594 A100430

Adjacent sequences: A359022 A359023 A359024 * A359026 A359027 A359028

Keyword

nonn,more

Author

John Mason, Dec 12 2022

Status

approved