# A181972 (b-file synthesized from sequence entry)
1 0
2 0
3 0
4 1
5 1
6 2
7 2
8 3
9 3
10 4
11 4
12 6
13 6
14 7
15 7
16 9
17 9
18 10
19 10
20 12
21 12
22 13
23 13
24 16
25 16
26 17
27 17
28 19
29 19
30 21
31 21
32 23
33 23
34 24
35 24
36 27
37 27
38 28
39 28
40 31
41 31
42 33
43 33
44 35
45 35
46 36
47 36
48 40
49 40
50 41
51 41
52 43
53 43
54 45
55 45
56 48
57 48
58 49
59 49
60 53
61 53
62 54
63 54
64 57
65 57
66 59
67 59
68 61
69 61
70 63
71 63
72 67