# A215330 (b-file synthesized from sequence entry) 0 1 1 4 2 3 3 8 4 18 5 47 6 108 7 268 8 638 9 1553 10 3761 11 9189 12 22453 13 55185 14 135894 15 335906 16 832312 17 2068066 18 5149845 19 12852750 20 32138353 21 80509495 22 202013368 23 507669048 24 1277586867 25 3219366610 26 8122275225