A333174 - cp's OEIS frontend

A333174 a(n) = Sum_{k=0..n} r_4(k^2 + 1), where r_4(k) is the number of ways of writing k as a sum of 4 squares (A000118).

n	a(n)
0	8
1	32
2	80
3	224
4	368
5	704
6	1008
7	1752
8	2424
9	3432
10	4248
11	5736
12	7176
13	9768
14	11352
15	14088
16	16152
17	20472
18	23944
19	28312
20	31528
21	37576
22	42280
23	50056
24	54680
25	62216
26	67640
27	78296
28	85880
29	96008
30	103784
31	116552
32	126968
33	142808
34	152888
35	167624
36	178008
37	197880
38	212616
39	230904

[8, 32, 80, 224, 368, 704, 1008, 1752, 2424, 3432, 4248, 5736, 7176, 9768, 11352, 14088, 16152, 20472, 23944, 28312, 31528, 37576, 42280, 50056, 54680, 62216, 67640, 78296, 85880, 96008, 103784, 116552, 126968, 142808, 152888, 167624, 178008, 197880, 212616, 230904]

cp's OEIS Frontend

A333174 a(n) = Sum_{k=0..n} r_4(k^2 + 1), where r_4(k) is the number of ways of writing k as a sum of 4 squares (A000118).

Table of values

List of values