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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.

A070042 At these values of k the 1st, 2nd, 3rd, 4th and 5th cyclotomic polynomials all give prime numbers.

Table of values

n a(n)
1 1068630
2 1441590
3 1867950
4 3429300
5 4084230
6 5651730
7 6322890
8 6770610
9 7158630
10 7804830
11 9437760
12 9624270
13 13625850
14 23194860
15 25848840
16 26588520
17 28714950
18 29451840
19 32984430
20 33650580
21 36500910
22 38177130
23 42856590
24 49531020
25 50016540
26 50222070
27 52083330
28 54637590

List of values

[1068630, 1441590, 1867950, 3429300, 4084230, 5651730, 6322890, 6770610, 7158630, 7804830, 9437760, 9624270, 13625850, 23194860, 25848840, 26588520, 28714950, 29451840, 32984430, 33650580, 36500910, 38177130, 42856590, 49531020, 50016540, 50222070, 52083330, 54637590]