490496

Appears in sequences

• Number of n X 3 1..4 arrays with all 1s connected, all 2s connected, all 3s connected, all 4s connected, 1 in the upper left corner, 2 in the upper right corner, 3 in the lower left corner, and 4 in the lower right corner.at n=7A164749
• Nonunitary near-perfect numbers: k such that nusigma(k) = k + d where d is a nonunitary divisor of k.at n=37A362969