Number of tilings of a 7 X n rectangle using integer-sided square tiles.
A219926
Number of tilings of a 7 X n rectangle using integer-sided square tiles.
Terms
- a(0) =1a(1) =1a(2) =21a(3) =129a(4) =1029a(5) =7765a(6) =59257a(7) =450924a(8) =3435392a(9) =26160354a(10) =199243634a(11) =1517411733a(12) =11556549312a(13) =88013947545a(14) =670309228276
External references
- oeis: A219926