# A179238 (b-file synthesized from sequence entry) 1 1 2 2 3 3 4 5 5 13 6 18 7 31 8 80 9 111 10 191 11 493 12 684 13 1177 14 3038 15 4215 16 7253 17 18721 18 25974 19 44695 20 115364 21 160059 22 275423 23 710905 24 986328 25 1697233 26 4380794 27 6078027 28 10458821 29 26995669 30 37454490 31 64450159 32 166354808 33 230804967 34 397159775