1007325

Appears in sequences

• Number of n X n binary matrices, symmetric under 180 degree rotation, with no more than 2 ones in any 2 X 2 subblock.at n=7A141508
• Odd nonsquares k for which A161942(k) >= k, where A161942 is the odd part of sigma.at n=26A348743
• Odd nondeficient numbers of the form p^(1+4k) * r^2, where p is prime of the form 1+4m, r > 1, and gcd(p,r) = 1.at n=26A386427