90496domain: NAppears in sequencesDigits of the Golden Ratio (1+(Sqrt[5]-1)/2) read in decimal as if written in hexadecimal.at n=4A208458Number of (n+1)X(5+1) 0..2 arrays with the upper median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=13A237634