# A115102 (b-file synthesized from sequence entry) 0 2 1 8 2 12 3 28 4 52 5 108 6 212 7 428 8 852 9 1708 10 3412 11 6828 12 13652 13 27308 14 54612 15 109228 16 218452 17 436908 18 873812 19 1747628 20 3495252 21 6990508 22 13981012 23 27962028 24 55924052 25 111848108 26 223696212 27 447392428 28 894784852 29 1789569708 30 3579139412 31 7158278828