A341396 - cp's OEIS frontend

A341396 Number of integer solutions to (x_1)^2 + (x_2)^2 + ... + (x_7)^2 <= n.

n	a(n)
0	1
1	15
2	99
3	379
4	953
5	1793
6	3081
7	5449
8	8893
9	12435
10	16859
11	24419
12	33659
13	42115
14	53203
15	69779
16	88273
17	106081
18	125821
19	153541
20	187981
21	217437
22	248741
23	298469
24	351277
25	394691
26	446939
27	515259
28	589307
29	657683
30	728803
31	828259
32	939223
33	1029159
34	1124023
35	1260103

[1, 15, 99, 379, 953, 1793, 3081, 5449, 8893, 12435, 16859, 24419, 33659, 42115, 53203, 69779, 88273, 106081, 125821, 153541, 187981, 217437, 248741, 298469, 351277, 394691, 446939, 515259, 589307, 657683, 728803, 828259, 939223, 1029159, 1124023, 1260103]

cp's OEIS Frontend

A341396 Number of integer solutions to (x_1)^2 + (x_2)^2 + ... + (x_7)^2 <= n.

Table of values

List of values