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.

A279314 Composite numbers n such that the sum of the prime factors of n, with multiplicity, is congruent to n (mod 9).

Table of values

n a(n)
1 4
2 22
3 27
4 58
5 85
6 94
7 105
8 114
9 121
10 150
11 166
12 202
13 204
14 222
15 224
16 265
17 274
18 315
19 319
20 342
21 346
22 355
23 378
24 382
25 391
26 438
27 445
28 450
29 454
30 483
31 517
32 526
33 535
34 540
35 560
36 562
37 576
38 588
39 612
40 627
41 634
42 636
43 640
44 645
45 648
46 654
47 663
48 666
49 690
50 697
51 706
52 728
53 729
54 762
55 778
56 825
57 840
58 841
59 852

List of values

[4, 22, 27, 58, 85, 94, 105, 114, 121, 150, 166, 202, 204, 222, 224, 265, 274, 315, 319, 342, 346, 355, 378, 382, 391, 438, 445, 450, 454, 483, 517, 526, 535, 540, 560, 562, 576, 588, 612, 627, 634, 636, 640, 645, 648, 654, 663, 666, 690, 697, 706, 728, 729, 762, 778, 825, 840, 841, 852]

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

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