# A218185 (b-file synthesized from sequence entry) 0 0 1 0 2 1 3 4 4 19 5 100 6 566 7 3384 8 21107 9 136084 10 900674 11 6087496 12 41850366 13 291766952 14 2057964492 15 14659421040 16 105305580483 17 761981900724 18 5548736343434 19 40632122219688 20 299017702596554 21 2210275626304248 22 16403005547059508 23 122169144755555088 24 912887876722311406