# A125892 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 4 4 7 5 12 6 19 7 32 8 53 9 88 10 145 11 238 12 392 13 645 14 1061 15 1746 16 2873 17 4726 18 7774 19 12788 20 21036 21 34603 22 56920 23 93630 24 154015 25 253345 26 416735 27 685503 28 1127607 29 1854839 30 3051088 31 5018839 32 8255660 33 13580017 34 22338233 35 36744921 36 60442973 37 99424705 38 163547085