Number of inequivalent tilings of a 5 X n rectangle using integer-sided square tiles.

A359021

Number of inequivalent tilings of a 5 X n rectangle using integer-sided square tiles.

Terms

    a(0) =1a(1) =1a(2) =5a(3) =10a(4) =39a(5) =77a(6) =521a(7) =1985a(8) =8038a(9) =32097a(10) =130125a(11) =525676a(12) =2131557a(13) =8635656a(14) =35017970a(15) =141968455a(16) =575692056a(17) =2334344849a(18) =9465939422a(19) =38384559168a(20) =155652202456a(21) =631178976378

External references