# A294312 (b-file synthesized from sequence entry) 0 1 1 0 2 1 3 6 4 29 5 180 6 1501 7 14434 8 154265 9 1856232 10 24953401 11 368767102 12 5936244533 13 103519338780 14 1944554725205 15 39134556793050 16 840024295910833 17 19157944025344464 18 462629389438242673 19 11792248121970820598 20 316398168231432879565 21 8913743651504295251844