# A135697 (b-file synthesized from sequence entry) 1 3 2 33 3 313 4 3113 5 31413 6 314413 7 3141413 8 31411413 9 314151413 10 3141551413 11 31415951413 12 314159951413 13 3141592951413 14 31415922951413 15 314159262951413 16 3141592662951413 17 31415926562951413 18 314159265562951413