785407

Appears in sequences

• Number of primitive (period n) periodic palindromes using a maximum of two different symbols.at n=37A056493
• Number of primitive (period n) periodic palindromes using exactly two different symbols.at n=37A056498
• Ordered short legs of the Pythagorean triangles defined by a = 2^(4n) + 2^(2n+1), b = 2^(4n) - 2^(4n-2) - 2^(2n) - 1, c = 2^(4n) + 2^(4n-2) + 2^(2n) + 1.at n=4A381005