# A255937 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 4 4 8 5 16 6 28 7 56 8 108 9 204 10 332 11 664 12 1114 13 2228 14 4078 15 7018 16 11402 17 22804 18 40638 19 81276 20 140490 21 230328 22 391544 23 783088 24 1287034 25 2273676 26 3903626 27 6837760 28 10368184 29 20736368 30 34081198 31 68162396