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.

A206523 The pairwise sums of the terms of A004210.

Table of values

n a(n)
1 4
2 9
3 11
4 19
5 21
6 26
7 31
8 33
9 38
10 44
11 46
12 48
13 51
14 61
15 68
16 70
17 73
18 75
19 85
20 91
21 93
22 97
23 98
24 108
25 110
26 120
27 123
28 125
29 130
30 133
31 140
32 152
33 157
34 162
35 164
36 165
37 169
38 179
39 189
40 191
41 203
42 204
43 205
44 210
45 212
46 220
47 228
48 232
49 245
50 251
51 261
52 263
53 268
54 269
55 278
56 283
57 290
58 292
59 303
60 306
61 308
62 313
63 323
64 324
65 327
66 335
67 348
68 350
69 363
70 372
71 382
72 389
73 391
74 395
75 396
76 406
77 417
78 418
79 419
80 421

List of values

[4, 9, 11, 19, 21, 26, 31, 33, 38, 44, 46, 48, 51, 61, 68, 70, 73, 75, 85, 91, 93, 97, 98, 108, 110, 120, 123, 125, 130, 133, 140, 152, 157, 162, 164, 165, 169, 179, 189, 191, 203, 204, 205, 210, 212, 220, 228, 232, 245, 251, 261, 263, 268, 269, 278, 283, 290, 292, 303, 306, 308, 313, 323, 324, 327, 335, 348, 350, 363, 372, 382, 389, 391, 395, 396, 406, 417, 418, 419, 421]