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.

A287646 Irregular triangle read by rows where row n lists all odd primitive abundant numbers with n prime factors, counted with multiplicity.

Table of values

n a(n)
5 945
6 1575
7 2205
8 3465
9 4095
10 5355
11 5775
12 5985
13 6435
14 6825
15 7245
16 8085
17 8415
18 8925
19 9135
20 9555
21 9765
22 11655
23 12705
24 12915
25 13545
26 14805
27 15015
28 16695
29 18585
30 19215
31 19635
32 21105
33 21945
34 22365
35 22995
36 23205
37 24885
38 25935
39 26145
40 26565
41 28035
42 30555
43 31395
44 31815
45 32445
46 33495

List of values

[945, 1575, 2205, 3465, 4095, 5355, 5775, 5985, 6435, 6825, 7245, 8085, 8415, 8925, 9135, 9555, 9765, 11655, 12705, 12915, 13545, 14805, 15015, 16695, 18585, 19215, 19635, 21105, 21945, 22365, 22995, 23205, 24885, 25935, 26145, 26565, 28035, 30555, 31395, 31815, 32445, 33495]

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

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