# A024367 (b-file synthesized from sequence entry) 1 1 2 1 3 2 4 3 5 7 6 11 7 21 8 34 9 55 10 89 11 152 12 246 13 411 14 665 15 1097 16 1775 17 2872 18 4647 19 7574 20 12255 21 19918 22 32228 23 52290 24 84607 25 137130 26 221881 27 359011 28 580892 29 940513 30 1521782 31 2463282 32 3985674 33 6450553