Number T(n,k) of squares of size k^2 in all tilings of an n X n square using integer-sided square tiles; triangle T(n,k), n >= 1, 1 <= k <= n, read by rows.
A226936
Number T(n,k) of squares of size k^2 in all tilings of an n X n square using integer-sided square tiles; triangle T(n,k), n >= 1, 1 <= k <= n, read by rows.
Terms
- a(0) =1a(1) =4a(2) =1a(3) =29a(4) =4a(5) =1a(6) =312a(7) =69a(8) =4a(9) =1a(10) =5598a(11) =1184a(12) =153a(13) =4a(14) =1a(15) =176664a(16) =40078a(17) =4552a(18) =373a(19) =4a(20) =1a(21) =9966344a(22) =2311632a(23) =285414a(24) =18160a(25) =917a(26) =4a(27) =1a(28) =1018924032a(29) =241967774
External references
- oeis: A226936