112921823249
domain: N
Appears in sequences
- Number of polyominoes with width and height equal to n that are invariant under all symmetries of the square.at n=16A268339
- Number of polyominoes with width and height equal to n that are invariant under all symmetries of the square.at n=17A268339
- Number of polyominoes with width and height equal to 2n that are invariant under all symmetries of the square.at n=8A268758