# A019199 (b-file synthesized from sequence entry) 3 0 4 1 5 2 6 6 7 8 8 32 9 50 10 100 11 258 12 770 13 1436 14 3726 15 9142 16 23883 17 55084 18 147062 19 363982 20 953371 21 2406632 22 6403549 23 16494196 24 43839357 25 114890164 26 307285074 27 812459230 28 2179005465 29 5808849862 30 15618264177 31 41827412650