A211631 - cp's OEIS frontend

A211631 Number of ordered triples (w,x,y) with all terms in {-n,...-1,1,...,n} and w^2>x^2+y^2.

n	a(n)
0	0
1	0
2	8
3	40
4	104
5	208
6	384
7	624
8	952
9	1384
10	1920
11	2584
12	3368
13	4304
14	5416
15	6696
16	8160
17	9808
18	11680
19	13784
20	16120
21	18696
22	21552
23	24672
24	28064
25	31752
26	35768
27	40128
28	44808
29	49816
30	55200
31	60952
32	67112
33	73664
34	80624
35	88032
36	95848
37	104120

[0, 0, 8, 40, 104, 208, 384, 624, 952, 1384, 1920, 2584, 3368, 4304, 5416, 6696, 8160, 9808, 11680, 13784, 16120, 18696, 21552, 24672, 28064, 31752, 35768, 40128, 44808, 49816, 55200, 60952, 67112, 73664, 80624, 88032, 95848, 104120]

cp's OEIS Frontend

A211631 Number of ordered triples (w,x,y) with all terms in {-n,...-1,1,...,n} and w^2>x^2+y^2.

Table of values

List of values