A272174 - cp's OEIS frontend

A272174 Values of a^3 + b^3 such that the equation a^3 + b^3 = x^2 + y^2 + z^2 is not soluble where a, b > 0 and x, y, z >= 0.

n	a(n)
1	28
2	351
3	407
4	559
5	855
6	1008
7	1343
8	1792
9	2071
10	3087
11	3383
12	3439
13	3591
14	3887
15	4375
16	4439
17	5103
18	5488
19	6119
20	6175
21	7471
22	8343
23	9207
24	10864
25	10991
26	11375
27	11772
28	12175
29	12231
30	12383
31	12636
32	12679
33	13167
34	13895
35	14023
36	14167
37	14364
38	14911
39	16263
40	16956
41	17199
42	17919
43	17999

[28, 351, 407, 559, 855, 1008, 1343, 1792, 2071, 3087, 3383, 3439, 3591, 3887, 4375, 4439, 5103, 5488, 6119, 6175, 7471, 8343, 9207, 10864, 10991, 11375, 11772, 12175, 12231, 12383, 12636, 12679, 13167, 13895, 14023, 14167, 14364, 14911, 16263, 16956, 17199, 17919, 17999]

cp's OEIS Frontend

A272174 Values of a^3 + b^3 such that the equation a^3 + b^3 = x^2 + y^2 + z^2 is not soluble where a, b > 0 and x, y, z >= 0.

Table of values

List of values