50739

Appears in sequences

• Numbers k such that k^10 == 1 (mod 11^4).at n=34A056094
• Numbers k such that sigma(sigma(k)-k) = phi(k).at n=14A074875
• Coefficients of the sixth-order mock theta function psi_{-}(q).at n=34A153252
• Number of 3X3X3 triangular 0..n arrays with no element lying outside the (possibly reversed) range delimited by its sw and se neighbors, and every horizontal row having the same average value.at n=27A214541
• Absolute discriminants of complex quadratic fields with 3-class group of type (3,3) and 3-principalization type (2241).at n=22A247689