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.

A127596 Numbers k such that 1 + Sum_{i=1..k-1} A001223(i)*(-1)^i = 0.

Table of values

n a(n)
1 2
2 4
3 14
4 22
5 28
6 233
7 249
8 261
9 488
10 497
11 511
12 515
13 519
14 526
15 531
16 534
17 548
18 562
19 620
20 633
21 635
22 2985
23 3119
24 3123
25 3128
26 3157
27 4350
28 4358
29 4392
30 4438
31 4474
32 4484
33 4606
34 4610
35 4759
36 5191
37 12493
38 1761067
39 2785124
40 2785152
41 2785718
42 2785729
43 2867471

List of values

[2, 4, 14, 22, 28, 233, 249, 261, 488, 497, 511, 515, 519, 526, 531, 534, 548, 562, 620, 633, 635, 2985, 3119, 3123, 3128, 3157, 4350, 4358, 4392, 4438, 4474, 4484, 4606, 4610, 4759, 5191, 12493, 1761067, 2785124, 2785152, 2785718, 2785729, 2867471]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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