# A329096 (b-file synthesized from sequence entry) 0 1 1 2 2 8 3 47 4 374 5 3852 6 49398 7 762785 8 13805702 9 286796072 10 6727496456 11 175903776622 12 5073226515772 13 160000741383368 14 5478160073933490 15 202366832844684645 16 8022796547785815878 17 339769654607776375824 18 15309183806159727889536 19 731253261602981693567090 20 36909816019024064633444820