A247774 Number of tilings of a 5 X n rectangle using n pentominoes of any but the W shape.

1, 1, 5, 56, 461, 3558, 23966, 178127, 1362597, 10194184, 75684682, 561877016, 4192125848, 31292310312, 233221376211, 1737652233817, 12950437458383, 96538803978663, 719609376905074, 5363567352622148, 39977107204818978, 297975192242698825, 2221015587432193750

Offset: 0

Author

Alois P. Heinz, Sep 23 2014

Keywords

• nonn

Links

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

Crossrefs

Column k=0 of A247710.

Cf. A174249, A233427.