cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A264767 a(1)=1; for n>1, a(n) = a(n-1) + n if x=0, otherwise a(n) = a(n-1) / 2^x, where x is the exponent of highest power of 2 dividing gcd(a(n-1),n).

Table of values

n a(n)
1 1
2 3
3 6
4 3
5 8
6 4
7 11
8 19
9 28
10 14
11 25
12 37
13 50
14 25
15 40
16 5
17 22
18 11
19 30
20 15
21 36
22 18
23 41
24 65
25 90
26 45
27 72
28 18
29 47
30 77
31 108
32 27
33 60
34 30
35 65
36 101
37 138
38 69
39 108
40 27
41 68
42 34
43 77
44 121
45 166
46 83
47 130
48 65
49 114
50 57
51 108
52 27
53 80
54 40
55 95
56 151
57 208
58 104
59 163
60 223
61 284
62 142
63 205
64 269
65 334
66 167
67 234
68 117
69 186
70 93
71 164
72 41
73 114
74 57
75 132
76 33
77 110
78 55
79 134
80 67
81 148
82 74
83 157
84 241
85 326
86 163
87 250
88 125
89 214
90 107
91 198
92 99
93 192
94 96
95 191
96 287
97 384
98 192
99 291
100 391
101 492
102 246

List of values

[1, 3, 6, 3, 8, 4, 11, 19, 28, 14, 25, 37, 50, 25, 40, 5, 22, 11, 30, 15, 36, 18, 41, 65, 90, 45, 72, 18, 47, 77, 108, 27, 60, 30, 65, 101, 138, 69, 108, 27, 68, 34, 77, 121, 166, 83, 130, 65, 114, 57, 108, 27, 80, 40, 95, 151, 208, 104, 163, 223, 284, 142, 205, 269, 334, 167, 234, 117, 186, 93, 164, 41, 114, 57, 132, 33, 110, 55, 134, 67, 148, 74, 157, 241, 326, 163, 250, 125, 214, 107, 198, 99, 192, 96, 191, 287, 384, 192, 291, 391, 492, 246]