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.

A385409 a(n) is the smallest positive integer k such that the Diophantine equation x^3 + y^3 + z^3 + w^3 = k^2, where 0 < x < y < z < w has exactly n integer solutions.

Table of values

n a(n)
1 10
2 42
3 39
4 153
5 126
6 276
7 273
8 312
9 315
10 476
11 588
12 336
13 546
14 777
15 1053
16 756
17 1216
18 1386
19 1560
20 1134
21 1323
22 1488
23 1365
24 1368
25 1344
26 1596
27 2366
28 2496
29 2988
30 1680
31 2548
32 1736
33 2184
34 3003
35 3720
36 2520
37 3185
38 3552
39 2268
40 3564
41 4095
42 3213
43 4578
44 4392
45 5208
46 4004
47 4599
48 5733

List of values

[10, 42, 39, 153, 126, 276, 273, 312, 315, 476, 588, 336, 546, 777, 1053, 756, 1216, 1386, 1560, 1134, 1323, 1488, 1365, 1368, 1344, 1596, 2366, 2496, 2988, 1680, 2548, 1736, 2184, 3003, 3720, 2520, 3185, 3552, 2268, 3564, 4095, 3213, 4578, 4392, 5208, 4004, 4599, 5733]