# A099944 (b-file synthesized from sequence entry) 3 76 4 164 5 340 6 692 7 1396 8 2804 9 5620 10 11252 11 22516 12 45044 13 90100 14 180212 15 360436 16 720884 17 1441780 18 2883572 19 5767156 20 11534324 21 23068660 22 46137332 23 92274676 24 184549364 25 369098740 26 738197492 27 1476394996 28 2952790004 29 5905580020