# A228571 (b-file synthesized from sequence entry) 0 1 1 0 2 1 3 0 4 1 5 1 6 1 7 1 8 1 9 2 10 2 11 2 12 3 13 3 14 5 15 4 16 7 17 6 18 10 19 10 20 14 21 15 22 20 23 24 24 30 25 35 26 45 27 53 28 69 29 79 30 104 31 120 32 157 33 184 34 236 35 281 36 356 37 431 38 540 39 656 40 821 41 1001 42 1252 43 1525 44 1908 45 2328 46 2909 47 3557 48 4434 49 5436 50 6762