# A121101 (b-file synthesized from sequence entry) 1 1 2 1 3 3 4 9 5 39 6 169 7 819 8 3969 9 19719 10 97969 11 489219 12 2442969 13 12211719 14 61042969 15 305199219 16 1525917969 17 7629511719 18 38147167969 19 190735449219 20 953675292969 21 4768374511719 22 23841862792969 23 119209304199219 24 596046472167969 25 2980232312011719 26 14901161315917969 27 74505806335449219