# A053151 (b-file synthesized from sequence entry) 3 1 4 0 5 3 6 2 7 9 8 12 9 31 10 53 11 116 12 215 13 446 14 849 15 1726 16 3320 17 6688 18 12932 19 25925 20 50297 21 100546 22 195562 23 390257 24 760630 25 1516233 26 2960502 27 5897425 28 11533047 29 22964739 30 44972711 31 89528901 32 175546608 33 349425044 34 685913758 35 1365249931 36 2682660933