# A156622 (b-file synthesized from sequence entry) 1 1 2 4 3 7 4 13 5 22 6 34 7 52 8 79 9 121 10 184 11 277 12 418 13 628 14 943 15 1417 16 2128 17 3193 18 4792 19 7189 20 10786 21 16180 22 24271 23 36409 24 54616 25 81925 26 122890 27 184336