# A318301 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 2 4 3 5 5 6 10 7 18 8 33 9 61 10 122 11 234 12 450 13 867 14 1673 15 3346 16 6570 17 12906 18 25362 19 49857 20 98041 21 196082 22 388818 23 771066 24 1529226 25 3033090 26 6016323 27 11934605 28 23869210 29 47542338 30 94695858 31 188620650 32 275712074 33 748391058 34 1490765793 35 2969596981 36 5939193962 37 11854518714