A341427 - cp's OEIS frontend

A341427 Number of positive solutions to (x_1)^2 + (x_2)^2 + ... + (x_8)^2 <= n^2.

n	a(n)
3	1
4	45
5	767
6	4452
7	21178
8	74452
9	224313
10	586035
11	1387583
12	2999430
13	6102276
14	11656386
15	21282969
16	37159993
17	62687904
18	102213426
19	162345824
20	251064745
21	379922217
22	562833191
23	819351646
24	1171991382
25	1651937498
26	2294227971
27	3147090871
28	4263499419

[1, 45, 767, 4452, 21178, 74452, 224313, 586035, 1387583, 2999430, 6102276, 11656386, 21282969, 37159993, 62687904, 102213426, 162345824, 251064745, 379922217, 562833191, 819351646, 1171991382, 1651937498, 2294227971, 3147090871, 4263499419]

cp's OEIS Frontend

A341427 Number of positive solutions to (x_1)^2 + (x_2)^2 + ... + (x_8)^2 <= n^2.

Table of values

List of values