# A139759 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 3 4 4 5 7 6 10 7 11 8 20 9 31 10 42 11 73 12 110 13 183 14 292 15 473 16 762 17 1235 18 1992 19 3209 20 5198 21 8407 22 13604 23 22011 24 35614 25 57625 26 93238 27 150863 28 244100 29 394963 30 639054 31 1034017 32 1673070 33 2707089 34 4380158 35 7087241 36 11467398 37 18554639 38 30022036 39 48576675