# A174576 (b-file synthesized from sequence entry) 0 0 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 2 9 2 10 2 11 3 12 3 13 4 14 4 15 5 16 6 17 6 18 7 19 8 20 10 21 11 22 12 23 14 24 16 25 19 26 21 27 24 28 27 29 31 30 36 31 40 32 46 33 52 34 60 35 68 36 77 37 88 38 100 39 113 40 129 41 146 42 166 43 189 44 214 45 244 46 277 47 315 48 357 49 406 50 461