# A266503 (b-file synthesized from sequence entry) 1 0 2 0 3 0 4 0 5 0 6 15 7 105 8 735 9 4095 10 26775 11 162855 12 1105335 13 7187895 14 51126075 15 356831475 16 2676468795 17 19890931515 18 156769986555 19 1232704469115 20 10178240218875 21 84190426730235 22 725667326178795