# A062874 (b-file synthesized from sequence entry) 0 1 1 1 2 3 3 16 4 140 5 1622 6 23688 7 414291 8 8408768 9 193891684 10 5001814400 11 142675793705 12 4458289724928 13 151440666806526 14 5556047001924608 15 218947599027613687 16 9223382498249719808 17 413620308786882430088