# A353999 (b-file synthesized from sequence entry) 0 1 1 0 2 0 3 0 4 4 5 10 6 20 7 35 8 1176 9 10164 10 58920 11 277365 12 3363580 13 47567806 14 519759604 15 4591587455 16 51017687280 17 786120055400 18 12187597925136 19 165128862881769 20 2261843835692340 21 36940778814100210 22 678763188831800380 23 12143893591131411571 24 211404290379223149384