132470domain: NAppears in sequencesNumbers which have more different digits than their cubes.at n=26A061374a(n) = 196*n^2 - n.at n=25A158003a(n) = 784*n^2 - 2*n.at n=12A158398a(n) = 676*n^2 - 26.at n=13A158639Number of (n+4)X6 0..1 matrices with each 5X5 subblock idempotent.at n=21A224684