A227855 - cp's OEIS frontend

A227855 Numbers of the form x^4 + 4*y^4.

n	a(n)
1	0
2	1
3	4
4	5
5	16
6	20
7	64
8	65
9	80
10	81
11	85
12	145
13	256
14	260
15	320
16	324
17	325
18	340
19	405
20	580
21	625
22	629
23	689
24	949
25	1024
26	1025
27	1040
28	1105
29	1280
30	1296
31	1300
32	1360
33	1620
34	1649
35	2320
36	2401
37	2405
38	2465
39	2500
40	2501
41	2516
42	2581
43	2725
44	2756
45	3125
46	3425
47	3796
48	4096
49	4100
50	4160

[0, 1, 4, 5, 16, 20, 64, 65, 80, 81, 85, 145, 256, 260, 320, 324, 325, 340, 405, 580, 625, 629, 689, 949, 1024, 1025, 1040, 1105, 1280, 1296, 1300, 1360, 1620, 1649, 2320, 2401, 2405, 2465, 2500, 2501, 2516, 2581, 2725, 2756, 3125, 3425, 3796, 4096, 4100, 4160]

cp's OEIS Frontend

A227855 Numbers of the form x^4 + 4*y^4.

Table of values

List of values