# A057750 (b-file synthesized from sequence entry) 1 0 2 1 3 4 4 10 5 23 6 49 7 100 8 202 9 413 10 839 11 1713 12 3493 13 7130 14 14535 15 29617 16 60158 17 122077 18 247132 19 499409 20 1007440 21 2029801 22 4083888 23 8208828 24 16484742 25 33081031 26 66342016 27 132979769 28 266433643 29 533645668 30 1068542949 31 2139103450 32 4281451287 33 8568182883