# A046634 (b-file synthesized from sequence entry) 0 1 1 6 2 9 3 35 4 210 5 1083 6 6253 7 37518 8 222705 9 1331099 10 7986594 11 47871651 12 287102581 13 1722615486 14 10334532969 15 62003849075 16 372023094450 17 2232108315723 18 13392560190013 19 80355361140078 20 482131358602785