# A367748 (b-file synthesized from sequence entry) 0 1 1 1 2 3 3 13 4 73 5 501 6 4051 7 40153 8 434673 9 5231593 10 71641891 11 1051099941 12 16673401273 13 289579557853 14 5336892479283 15 104679769486321 16 2199654959898721 17 48682858073000913 18 1135029742772833603 19 27968526823231736893 20 721419709386600131241