# A103724 (b-file synthesized from sequence entry) 0 1 1 37 2 915 3 19470 4 390093 5 7676097 6 151706126 7 3049865390 8 62838757553 9 1332854461081 10 29179950599865 11 660339422279706 12 15457495745411446 13 374364455260685536 14 9379635007416160256 15 243036207870660550192