56056

Appears in sequences

• Theta series of A*_13 lattice.at n=73A023925
• Numbers n such that 99*2^n-1 is prime.at n=37A050575
• Smallest number of the form n*k + 1 that is divisible by all the phi(n) numbers less than n and relatively prime to n.at n=13A084715
• Scaled convolution of (n^3)*A000984(n) with A000984(n).at n=27A142962
• Nonpalindromic positive integers k such that the absolute value of k^2 - reverse(k)^2 is a square.at n=11A256515
• Denominator of Product_{k=1..n} (2k/(2k+1))^((-1)^A000120(k)).at n=6A261559
• Number of 3 X 3 X 3 triangular 0..n arrays with some element less than a w, nw or ne neighbor exactly once.at n=9A271035