A117609 - cp's OEIS frontend

A117609 Number of lattice points inside the ball x^2 + y^2 + z^2 <= n.

n	a(n)
0	1
1	7
2	19
3	27
4	33
5	57
6	81
7	81
8	93
9	123
10	147
11	171
12	179
13	203
14	251
15	251
16	257
17	305
18	341
19	365
20	389
21	437
22	461
23	461
24	485
25	515
26	587
27	619
28	619
29	691
30	739
31	739
32	751
33	799
34	847
35	895
36	925
37	949
38	1021
39	1021
40	1045
41	1141
42	1189
43	1213
44	1237
45	1309
46	1357
47	1357
48	1365
49	1419
50	1503

[1, 7, 19, 27, 33, 57, 81, 81, 93, 123, 147, 171, 179, 203, 251, 251, 257, 305, 341, 365, 389, 437, 461, 461, 485, 515, 587, 619, 619, 691, 739, 739, 751, 799, 847, 895, 925, 949, 1021, 1021, 1045, 1141, 1189, 1213, 1237, 1309, 1357, 1357, 1365, 1419, 1503]

cp's OEIS Frontend

A117609 Number of lattice points inside the ball x^2 + y^2 + z^2 <= n.

Table of values

List of values