1/10 of the number of 10-colorings of an n X n array symmetric about both diagonal and antidiagonal.
A145262
1/10 of the number of 10-colorings of an n X n array symmetric about both diagonal and antidiagonal.
Terms
- a(0) =1a(1) =9a(2) =729a(3) =53217a(4) =34963569a(5) =20702317689
External references
- oeis: A145262