A226552 - OEIS

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A226552

Number of squares in all tilings of a 9 X n rectangle using integer-sided square tiles.

0, 9, 600, 9533, 189172, 3293575, 56128696, 929801662, 15124830042, 242394178200, 3840094402532, 60260456120659, 938232581234924, 14511287055938491, 223171309100257664, 3415393756038359269, 52045507693324954598, 790109733965301854764, 11954668671384269574304

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,2

LINKS

Alois P. Heinz, Table of n, a(n) for n = 0..500

CROSSREFS

Column k=9 of A226545.

Cf. A219928.

Sequence in context: A015092 A332159 A139107 * A277232 A171703 A352276

Adjacent sequences: A226549 A226550 A226551 * A226553 A226554 A226555

KEYWORD

nonn

AUTHOR

Alois P. Heinz, Jun 10 2013

STATUS

approved