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.

A307130 Sequence associated to A307129. The terms of the sequence are the successive sums of the successive pairs of adjacent terms of A307129.

Table of values

n a(n)
1 30
2 50
3 70
4 72
5 50
6 52
7 70
8 92
9 90
10 301
11 270
12 30
13 32
14 30
15 50
16 70
17 74
18 70
19 90
20 181
21 210
22 301
23 270
24 181
25 210
26 301
27 270
28 181
29 210
30 301
31 270
32 181
33 210
34 3010
35 3018
36 301
37 290
38 1092
39 1090
40 1092
41 1090
42 1092
43 1090
44 1290
45 3030
46 3050
47 3052
48 3030
49 3032
50 3030
51 3032
52 3030
53 3050
54 3070
55 3090
56 3092
57 3070
58 3072
59 3070
60 3090
61 5070
62 5072
63 3090
64 3250
65 3030
66 3050
67 3052
68 3030
69 3032
70 3030
71 3032
72 3030
73 3050
74 3070
75 3090
76 3092
77 3070
78 3072
79 3070
80 3090
81 5070
82 5072
83 3090
84 5050
85 5070
86 5090
87 5092
88 5070
89 5072
90 5070
91 5090
92 5292
93 5070
94 5072
95 5070
96 5090
97 5490
98 5070
99 5072

List of values

[30, 50, 70, 72, 50, 52, 70, 92, 90, 301, 270, 30, 32, 30, 50, 70, 74, 70, 90, 181, 210, 301, 270, 181, 210, 301, 270, 181, 210, 301, 270, 181, 210, 3010, 3018, 301, 290, 1092, 1090, 1092, 1090, 1092, 1090, 1290, 3030, 3050, 3052, 3030, 3032, 3030, 3032, 3030, 3050, 3070, 3090, 3092, 3070, 3072, 3070, 3090, 5070, 5072, 3090, 3250, 3030, 3050, 3052, 3030, 3032, 3030, 3032, 3030, 3050, 3070, 3090, 3092, 3070, 3072, 3070, 3090, 5070, 5072, 3090, 5050, 5070, 5090, 5092, 5070, 5072, 5070, 5090, 5292, 5070, 5072, 5070, 5090, 5490, 5070, 5072]