# A027560 (b-file synthesized from sequence entry) 0 1 1 2 2 4 3 8 4 16 5 32 6 62 7 122 8 232 9 450 10 846 11 1622 12 3026 13 5748 14 10664 15 20106 16 37144 17 69608 18 128164 19 238984 20 438826 21 814874 22 1492908 23 2762562 24 5051602 25 9320014 26 17014950 27 31311964 28 57084732 29 104819474 30 190865620 31 349797128 32 636274832