# A035238 (b-file synthesized from sequence entry) 1 1 2 3 3 4 4 7 5 9 6 12 7 13 8 16 9 19 10 21 11 25 12 27 13 28 14 31 15 36 16 37 17 39 18 43 19 48 20 49 21 52 22 57 23 61 24 63 25 64