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A347800
Number of tilings of an n X n square using integer-sided square tiles of area > 1.
1
1, 0, 1, 1, 2, 1, 7, 1, 48, 50, 796, 777, 24823, 9315, 1501873, 2585314, 200614419, 382810931, 52597087873, 48712723680, 27115688491527
OFFSET
0,5
FORMULA
a(n) = A226206(n,n).
EXAMPLE
a(4) = 2:
._._._._. ._._._._.
| | | | |
| | |___|___|
| | | | |
|_______| |___|___| .
CROSSREFS
Main diagonal of A226206.
Cf. A045846.
Sequence in context: A333599 A335405 A369924 * A341738 A128747 A205945
KEYWORD
nonn,more
AUTHOR
Alois P. Heinz, Sep 14 2021
STATUS
approved