# A118891 (b-file synthesized from sequence entry) 0 1 1 2 2 4 3 8 4 16 5 31 6 60 7 116 8 223 9 428 10 820 11 1569 12 3002 13 5744 14 10992 15 21039 16 40273 17 77095 18 147588 19 282538 20 540881 21 1035440 22 1982194 23 3794602 24 7264164 25 13906079 26 26620957 27 50961552 28 97557726 29 186758657 30 357519595 31 684414146 32 1310201570