# A125330 (b-file synthesized from sequence entry) 0 1 1 20 2 128 3 656 4 3928 5 23840 6 148304 7 934968 8 5958552 9 38285216 10 247607348 11 1609914524 12 10513615792 13 68913452056 14 453123210178 15 2987405569166 16 19741419610536 17 130718419293680 18 867078544410362 19 5760352822741182