# A006565 (b-file synthesized from sequence entry) 0 0 1 1 2 14 3 130 4 700 5 2635 6 7826 7 19684 8 43800 9 88725 10 166870 11 295526 12 498004 13 804895 14 1255450 15 1899080 16 2796976 17 4023849 18 5669790 19 7842250 20 10668140 21 14296051 22 18898594 23 24674860 24 31853000 25 40692925 26 51489126 27 64573614