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A376307 Run-sums of the sequence of first differences of squarefree numbers.

Table of values

n a(n)
1 2
2 2
3 2
4 3
5 1
6 2
7 2
8 6
9 2
10 6
11 2
12 2
13 2
14 2
15 2
16 2
17 2
18 3
19 1
20 4
21 6
22 2
23 2
24 1
25 3
26 2
27 2
28 2
29 2
30 1
31 3
32 2
33 3
34 1
35 2
36 2
37 6
38 2
39 2
40 4
41 2
42 2
43 2
44 2
45 2
46 2
47 2
48 3
49 1
50 3
51 1
52 4
53 2
54 2
55 2
56 1
57 3
58 2
59 2
60 2
61 2
62 1
63 3
64 2
65 3
66 1
67 2
68 2
69 6
70 2
71 6
72 1
73 3
74 2
75 2
76 2
77 2
78 2
79 3
80 1
81 2
82 2
83 6
84 2
85 2
86 1
87 3

List of values

[2, 2, 2, 3, 1, 2, 2, 6, 2, 6, 2, 2, 2, 2, 2, 2, 2, 3, 1, 4, 6, 2, 2, 1, 3, 2, 2, 2, 2, 1, 3, 2, 3, 1, 2, 2, 6, 2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 3, 1, 3, 1, 4, 2, 2, 2, 1, 3, 2, 2, 2, 2, 1, 3, 2, 3, 1, 2, 2, 6, 2, 6, 1, 3, 2, 2, 2, 2, 2, 3, 1, 2, 2, 6, 2, 2, 1, 3]

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