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.

A303222 Total volume of all rectangular prisms with dimensions p, q and (p + q)/2 such that p and q are squarefree, n = p + q and p <= q.

Table of values

n a(n)
1 0
2 1
3 3
4 14
5 15
6 42
7 56
8 136
9 144
10 230
11 220
12 612
13 611
14 665
15 675
16 1576
17 1768
18 1836
19 1729
20 4200
21 3528
22 4279
23 3404
24 7524
25 6625
26 8333
27 8289
28 14336
29 11165
30 12675
31 10323
32 20592
33 17688
34 23307
35 17570
36 40410
37 27861
38 30153
39 28899
40 52180
41 42804
42 45864
43 55169
44 84920

List of values

[0, 1, 3, 14, 15, 42, 56, 136, 144, 230, 220, 612, 611, 665, 675, 1576, 1768, 1836, 1729, 4200, 3528, 4279, 3404, 7524, 6625, 8333, 8289, 14336, 11165, 12675, 10323, 20592, 17688, 23307, 17570, 40410, 27861, 30153, 28899, 52180, 42804, 45864, 55169, 84920]

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

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