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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.

A374987 Let s(x) be the Maclaurin series for cos(x); then a(n) is the least index k for which all partial sums of cos(2m*Pi) are positive.

Table of values

n a(n)
0 6
1 14
2 24
3 32
4 40
5 48
6 58
7 66
8 74
9 82
10 92
11 100
12 108
13 116
14 126
15 134
16 142
17 150
18 160
19 168
20 176
21 184
22 194
23 202
24 210
25 218
26 228
27 236
28 244
29 254
30 262
31 270
32 278
33 288
34 296
35 304
36 312
37 322
38 330
39 338
40 346
41 356
42 364
43 372
44 382
45 390
46 398
47 406
48 416
49 424
50 432
51 440
52 450
53 458

List of values

[6, 14, 24, 32, 40, 48, 58, 66, 74, 82, 92, 100, 108, 116, 126, 134, 142, 150, 160, 168, 176, 184, 194, 202, 210, 218, 228, 236, 244, 254, 262, 270, 278, 288, 296, 304, 312, 322, 330, 338, 346, 356, 364, 372, 382, 390, 398, 406, 416, 424, 432, 440, 450, 458]

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

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