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.

A374417 a(n) is the smallest number which can be represented as the sum of n distinct positive cubes in exactly 2 ways, or -1 if no such number exists.

Table of values

n a(n)
1 -1
2 1729
3 1009
4 1036
5 1161
6 1504
7 1899
8 2512
9 3024
10 4355
11 6552
12 9296
13 11648
14 14392
15 19305
16 25137
17 30997
18 35757
19 44092
20 53353
21 64001
22 76168
23 88669
24 104625
25 122201
26 144153
27 167401
28 191772
29 216161
30 245952
31 278757
32 312993
33 352297
34 393822
35 434295
36 489167
37 541081
38 605656
39 671446

List of values

[-1, 1729, 1009, 1036, 1161, 1504, 1899, 2512, 3024, 4355, 6552, 9296, 11648, 14392, 19305, 25137, 30997, 35757, 44092, 53353, 64001, 76168, 88669, 104625, 122201, 144153, 167401, 191772, 216161, 245952, 278757, 312993, 352297, 393822, 434295, 489167, 541081, 605656, 671446]