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.

A256575 Nonsquarefree orders of cyclotomic polynomials containing a coefficient with an absolute value greater than one.

Table of values

n a(n)
1 315
2 420
3 495
4 525
5 585
6 630
7 660
8 735
9 765
10 780
11 819
12 825
13 840
14 855
15 945
16 975
17 990
18 1020
19 1035
20 1050
21 1071
22 1092
23 1140
24 1170
25 1260
26 1275
27 1287
28 1320
29 1380
30 1425
31 1428
32 1470
33 1485
34 1530
35 1540
36 1560
37 1575
38 1638
39 1650
40 1665
41 1680
42 1683
43 1710
44 1716
45 1725
46 1755
47 1815
48 1820
49 1827
50 1845
51 1881
52 1890
53 1911
54 1925

List of values

[315, 420, 495, 525, 585, 630, 660, 735, 765, 780, 819, 825, 840, 855, 945, 975, 990, 1020, 1035, 1050, 1071, 1092, 1140, 1170, 1260, 1275, 1287, 1320, 1380, 1425, 1428, 1470, 1485, 1530, 1540, 1560, 1575, 1638, 1650, 1665, 1680, 1683, 1710, 1716, 1725, 1755, 1815, 1820, 1827, 1845, 1881, 1890, 1911, 1925]

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

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