1245456

Appears in sequences

• 1/7 of the number of 7-colorings of an n X n array symmetric about both diagonal and antidiagonal.at n=4A145249
• Numbers with prime factorization p^2*q^4*r^4 where p, q, and r are distinct primes.at n=15A190471
• Number of n X 6 0..1 arrays avoiding 0 0 1 and 0 1 1 horizontally and 0 0 1 and 1 1 0 vertically.at n=12A207401
• Squares in A378769.at n=26A378984