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.

A173727 Number of reduced 3 X 3 semimagic squares with distinct nonnegative integer entries and maximum entry n.

Table of values

n a(n)
8 72
9 144
10 432
11 1008
12 1512
13 2592
14 3672
15 5328
16 6696
17 9648
18 11736
19 15552
20 17856
21 23760
22 26712
23 33840
24 37872
25 46512
26 51408
27 62784
28 67824
29 81360
30 88128
31 103680
32 111096
33 130320
34 138384
35 159840
36 170136
37 194400
38 205416
39 234144
40 245448
41 277488
42 291816

List of values

[72, 144, 432, 1008, 1512, 2592, 3672, 5328, 6696, 9648, 11736, 15552, 17856, 23760, 26712, 33840, 37872, 46512, 51408, 62784, 67824, 81360, 88128, 103680, 111096, 130320, 138384, 159840, 170136, 194400, 205416, 234144, 245448, 277488, 291816]

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

Content is available under The OEIS End-User License Agreement.