A212095 - cp's OEIS frontend

A212095 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	0
2	1
3	8
4	25
5	63
6	141
7	268
8	464
9	760
10	1170
11	1734
12	2472
13	3430
14	4650
15	6164
16	8012
17	10247
18	12933
19	16108
20	19827
21	24192
22	29199
23	34957
24	41525
25	48967
26	57382
27	66859
28	77456
29	89235
30	102335
31	116794
32	132748
33	150314
34	169545
35	190574
36	213490
37	238420

[0, 0, 1, 8, 25, 63, 141, 268, 464, 760, 1170, 1734, 2472, 3430, 4650, 6164, 8012, 10247, 12933, 16108, 19827, 24192, 29199, 34957, 41525, 48967, 57382, 66859, 77456, 89235, 102335, 116794, 132748, 150314, 169545, 190574, 213490, 238420]

cp's OEIS Frontend

A212095 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