# A005932 (b-file synthesized from sequence entry) 0 1 1 0 2 0 3 56 4 14 5 0 6 0 7 576 8 84 9 0 10 0 11 1512 12 280 13 0 14 0 15 4032 16 574 17 0 18 0 19 5544 20 840 21 0 22 0