56765

Appears in sequences

• Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 43.at n=4A031631
• Palindromic numbers which are the difference of two positive cubes.at n=11A038808
• Total number of even parts in all partitions of n.at n=34A066898
• Palindrome corresponding to row n of A082827.at n=3A082828
• Giza numbers.at n=21A134810
• Numbers k such that k and k^2 use only the digits 2, 3, 5, 6 and 7.at n=24A137080
• Giza nonprimes.at n=15A182775
• Palindromes with consecutive digits that differ exactly by 1.at n=44A207954
• a(n) = Sum_{d|n} d^(3*(n/d - 1)).at n=11A308693
• Number of nonnegative solutions to (x_1)^2 + (x_2)^2 + ... + (x_9)^2 <= n.at n=22A341404
• Expansion of sqrt((1-x) / (1-9*x)^5).at n=4A387229