# A005194 (b-file synthesized from sequence entry) 1 1 2 2 3 4 4 6 5 10 6 22 7 38 8 102 9 182 10 574 11 1070 12 3798 13 7286 14 28894 15 57374 16 248502 17 506678 18 2384254 19 5007230 20 25247958 21 54311126 22 292500574 23 645652574 24 3680048502 25 8301671798 26 49967727934 27 115334270270 28 728281984278 29 1714641313046 30 11341092707614