97464domain: NAppears in sequencesNumber of (n+2)X(5+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal sum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.at n=10A253838Numbers k such that uphi(k) is equal to the sum of the proper unitary divisors of k.at n=3A291320