# A166998 (b-file synthesized from sequence entry) 0 1 1 0 2 6 3 28 4 2684 5 85664 6 96848424 7 18318978896 8 459531493100736 9 468613553577122688 10 349607028167776160389536 11 1788682277200384090414421312 12 46561932503015793339090359576558496