# A148065 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 3 4 12 5 25 6 77 7 201 8 736 9 2009 10 7091 11 21545 12 78274 13 237897 14 903894 15 2872275 16 10734876 17 35317989 18 135653517 19 448156807 20 1740713832 21 5905699865 22 22903738044 23 78582846753 24 310297396582 25 1073392254315 26 4242820759859 27 14918080113383 28 59228120312530 29 209118568989577 30 838914634762489 31 2988126622770495