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.

A120700 a(n) is the least refactorable number k having the n-th prime as its greatest prime factor.

Table of values

n a(n)
1 2
2 9
3 40
4 56
5 88
6 104
7 136
8 152
9 184
10 232
11 248
12 296
13 328
14 344
15 376
16 424
17 472
18 488
19 536
20 568
21 584
22 632
23 664
24 712
25 776
26 808
27 824
28 856
29 872
30 904
31 1016
32 1048
33 1096
34 1112
35 1192
36 1208
37 1256
38 1304
39 1336
40 1384
41 1432
42 1448
43 1528
44 1544
45 1576
46 1592
47 1688
48 1784
49 1816

List of values

[2, 9, 40, 56, 88, 104, 136, 152, 184, 232, 248, 296, 328, 344, 376, 424, 472, 488, 536, 568, 584, 632, 664, 712, 776, 808, 824, 856, 872, 904, 1016, 1048, 1096, 1112, 1192, 1208, 1256, 1304, 1336, 1384, 1432, 1448, 1528, 1544, 1576, 1592, 1688, 1784, 1816]

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

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