A385397 - cp's OEIS frontend

A385397 Numbers x such that there exist three integers 00 and w>0 such that sigma(x)^3 = sigma(y)^3 = x^3 + y^3 + z^3 + w^3.

n	a(n)
1	153
2	216
3	255
4	324
5	672
6	735
7	1074
8	1170
9	1218
10	2430
11	2655
12	2736
13	3482
14	4148
15	4605
16	4935
17	5220
18	5446
19	5916
20	6048
21	7140
22	9340
23	11000
24	11160
25	12768
26	14090
27	14098
28	14980
29	17220
30	17696
31	18984
32	21068
33	21948
34	22128
35	23022
36	23205
37	24297
38	24570
39	25284
40	25740
41	29058
42	29640
43	30240
44	30690
45	31008
46	31190
47	32760
48	37140
49	39840

[153, 216, 255, 324, 672, 735, 1074, 1170, 1218, 2430, 2655, 2736, 3482, 4148, 4605, 4935, 5220, 5446, 5916, 6048, 7140, 9340, 11000, 11160, 12768, 14090, 14098, 14980, 17220, 17696, 18984, 21068, 21948, 22128, 23022, 23205, 24297, 24570, 25284, 25740, 29058, 29640, 30240, 30690, 31008, 31190, 32760, 37140, 39840]

cp's OEIS Frontend

A385397 Numbers x such that there exist three integers 00 and w>0 such that sigma(x)^3 = sigma(y)^3 = x^3 + y^3 + z^3 + w^3.

Table of values

List of values