20083501domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumber of (n+1)X(1+1) 0..2 arrays x(i,j) with row sums sum{j^3*x(i,j), j=1..1+1} nondecreasing, and column sums sum{i^3*x(i,j), i=1..n+1} nondecreasing.at n=25A232784Prime numbersat n=1275601