64399domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of the form i*prime(i) + (i+1)*prime(i+1).at n=29A119487Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 0), (0, -1, 0), (0, 0, 1), (0, 1, -1), (1, 1, -1)}.at n=10A148814Prime numbersat n=6445