# A343010 (b-file synthesized from sequence entry) 1 0 2 1 3 3 4 20 5 52 6 357 7 935 8 6408 9 16776 10 114985 11 301035 12 2063324 13 5401852 14 37024845 15 96932303 16 664383888 17 1739379600 18 11921885137 19 31211900499 20 213929548580 21 560074829380 22 3838809989301 23 10050135028343 24 68884650258840 25 180342355680792 26 1236084894669817