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.

A163836 Composites whose largest prime factor is equal to the sum of all the other prime factors (with repetition).

Table of values

n a(n)
1 4
2 9
3 25
4 30
5 49
6 70
7 84
8 121
9 169
10 286
11 289
12 308
13 361
14 440
15 495
16 528
17 529
18 594
19 646
20 728
21 819
22 841
23 884
24 961
25 975
26 1040
27 1170
28 1248
29 1369
30 1404
31 1496
32 1681
33 1683
34 1748
35 1798
36 1849
37 1976
38 2209
39 2223
40 2499
41 2809
42 2975
43 3128
44 3135
45 3344
46 3481
47 3519
48 3526
49 3570

List of values

[4, 9, 25, 30, 49, 70, 84, 121, 169, 286, 289, 308, 361, 440, 495, 528, 529, 594, 646, 728, 819, 841, 884, 961, 975, 1040, 1170, 1248, 1369, 1404, 1496, 1681, 1683, 1748, 1798, 1849, 1976, 2209, 2223, 2499, 2809, 2975, 3128, 3135, 3344, 3481, 3519, 3526, 3570]

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

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