165556domain: NAppears in sequencesMcKay-Thompson series of class 17A for the Monster simple group.at n=27A058530Fourth row of Pascal-(1,2,1) array A081577.at n=15A081584McKay-Thompson series of class 17A for the Monster group with a(0) = 2.at n=27A152944Number of ways to place 3 nonattacking zebras on a 3 X n board.at n=33A172221