65624domain: NAppears in sequencesa(n) = 2*n*A071148(n).at n=25A177082Number of (n+1)X(1+1) 0..1 arrays x(i,j) with row sums sum{x(i,j), j=1..1+1} nondecreasing, and column sums sum{i^2*x(i,j), i=1..n+1} nondecreasing.at n=13A233297Numbers k such that k^2, (k+1)^2 and (k+2)^2 are all abundant numbers.at n=21A383391