63996domain: NAppears in sequencesConvolution of natural numbers n >= 1 with Lucas numbers L(k)(A000032) for k >= 2.at n=17A033811Coefficients of replicable function number "32b".at n=47A058632Number of ways to place 4 nonattacking zebras on a 4 X n board.at n=9A172222Number of idempotent 4X4 0..n matrices of rank 3.at n=18A224335