# A211965 (b-file synthesized from sequence entry) 1 2 2 4 3 12 4 40 5 148 6 572 7 2248 8 8920 9 35536 10 141860 11 566880 12 2266400 13 9063372 14 36249044 15 144987304 16 579931488 17 2319690516 18 9278691224 19 37114623248 20 148458209744 21 593832272556 22 2375327957436 23 9501309564288 24 38005233726372 25 152020925844036