# A126349 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 2 4 4 5 10 6 29 7 101 8 392 9 1721 10 8180 11 42234 12 232893 13 1376660 14 8608564 15 56880860 16 395780193 17 2887365769 18 22022011448 19 175148070545 20 1451626482840 21 12489021006783 22 111407399288300 23 1028527130941484 24 9818171726308337