# A034181 (b-file synthesized from sequence entry) 1 14 2 37 3 316 4 1034483 5 1052632 6 263157895 7 1224489796 8 42105263158 9 17241379310345 10 210526315789474 11 1578947368421053 12 3103448275862069 13 11864406779661017 14 16326530612244898 15 47368421052631579