# A308631 (b-file synthesized from sequence entry) 3 1 4 2 5 7 6 15 7 36 8 80 9 174 10 371 11 787 12 1644 13 3410 14 7031 15 14423 16 29455 17 59948 18 121656 19 246302 20 497661 21 1003864 22 2022143 23 4068597 24 8178131 25 16425116 26 32965907 27 66125958 28 132577442 29 265700195 30 532313023 31 1066152092