A212093 - cp's OEIS frontend

A212093 Number of (w,x,y,z) with all terms in {1,...,n} and w^2<=x^2+y^2+z^2.

n	a(n)
0	0
1	1
2	15
3	76
4	234
5	565
6	1161
7	2145
8	3644
9	5825
10	8854
11	12940
12	18300
13	25173
14	33814
15	44524
16	57587
17	73346
18	92127
19	114312
20	140272
21	170421
22	205198
23	245043
24	290413
25	341832
26	399774
27	464801
28	537425
29	618289
30	707923
31	807009
32	916110
33	1035937

[0, 1, 15, 76, 234, 565, 1161, 2145, 3644, 5825, 8854, 12940, 18300, 25173, 33814, 44524, 57587, 73346, 92127, 114312, 140272, 170421, 205198, 245043, 290413, 341832, 399774, 464801, 537425, 618289, 707923, 807009, 916110, 1035937]

cp's OEIS Frontend

A212093 Number of (w,x,y,z) with all terms in {1,...,n} and w^2<=x^2+y^2+z^2.

Table of values

List of values