# A131768 (b-file synthesized from sequence entry) 0 1 1 3 2 1 3 5 4 5 5 1 6 7 7 11 8 7 9 1 10 9 11 19 12 19 13 9 14 1 15 11 16 29 17 39 18 29 19 11 20 1 21 13 22 41 23 69 24 69 25 41 26 13 27 1 28 15 29 55 30 111 31 139 32 111 33 55 34 15 35 1 36 17 37 71 38 167 39 251 40 251 41 167 42 71 43 17 44 1 45 19 46 89 47 239 48 419 49 503 50 419 51 239 52 89 53 19 54 1