487717domain: NPropertiesPrimalityPrimeyesAppears in sequencesRevert transform of 2*x*(1 - x - x^3 + x^6)-x/(1+x).at n=10A049183Number of (n+1) X (7+1) 0..2 arrays with every 2 X 2 subblock summing to 4 and no 2 X 2 subblock having exactly two nonzero entries.at n=14A251148Prime numbersat n=40583