# A099846 (b-file synthesized from sequence entry) 0 1 1 3 2 5 3 8 4 15 5 29 6 55 7 104 8 196 9 368 10 692 11 1304 12 2457 13 4627 14 8713 15 16408 16 30899 17 58189 18 109583 19 206368 20 388632 21 731872 22 1378264 23 2595552 24 4887953 25 9205011 26 17334909 27 32645160 28 61477479 29 115774605 30 218027143 31 410589480 32 773223548 33 1456137296