# A008558 (b-file synthesized from sequence entry) 1 9 2 11 3 13 4 15 5 17 6 21 7 25 8 31 9 37 10 45 11 55 12 67 13 103 14 147 15 223 16 337 17 521 18 1011 19 1763 20 3343 21 6417 22 14421 23 34125 24 102515 25 310163 26 1135623 27 4252007 28 20160547 29 114720043 30 665476453 31 4752456545 32 43321135541 33 502611010665 34 7240574662151 35 151272370273007