A211810 - cp's OEIS frontend

A211810 Number of ordered triples (w,x,y) with all terms in {1,...,n} and 2w^2>x^2+y^2.

n	a(n)
1	0
2	3
3	11
4	28
5	56
6	97
7	153
8	230
9	330
10	453
11	605
12	788
13	1002
14	1251
15	1541
16	1872
17	2244
18	2667
19	3139
20	3662
21	4240
22	4877
23	5571
24	6330
25	7158
26	8055
27	9021
28	10062
29	11182
30	12379
31	13657
32	15026
33	16480
34	18021
35	19661
36	21398
37	23232
38	25169
39	27211
40	29362
41	31618

[0, 3, 11, 28, 56, 97, 153, 230, 330, 453, 605, 788, 1002, 1251, 1541, 1872, 2244, 2667, 3139, 3662, 4240, 4877, 5571, 6330, 7158, 8055, 9021, 10062, 11182, 12379, 13657, 15026, 16480, 18021, 19661, 21398, 23232, 25169, 27211, 29362, 31618]

cp's OEIS Frontend

A211810 Number of ordered triples (w,x,y) with all terms in {1,...,n} and 2w^2>x^2+y^2.

Table of values

List of values