A211800 - cp's OEIS frontend

A211800 Number of ordered triples (w,x,y) with all terms in {1,...,n} and 2*w^2 < x^2 + y^2.

n	a(n)
1	0
2	3
3	13
4	32
5	64
6	113
7	181
8	272
9	388
10	535
11	713
12	926
13	1180
14	1475
15	1815
16	2204
17	2646
18	3141
19	3695
20	4312
21	4992
22	5741
23	6563
24	7460
25	8432
26	9485
27	10625
28	11850
29	13166
30	14579
31	16089
32	17696
33	19410
34	21233
35	23161
36	25204
37	27366
38	29647
39	32051
40	34580

[0, 3, 13, 32, 64, 113, 181, 272, 388, 535, 713, 926, 1180, 1475, 1815, 2204, 2646, 3141, 3695, 4312, 4992, 5741, 6563, 7460, 8432, 9485, 10625, 11850, 13166, 14579, 16089, 17696, 19410, 21233, 23161, 25204, 27366, 29647, 32051, 34580]

cp's OEIS Frontend

A211800 Number of ordered triples (w,x,y) with all terms in {1,...,n} and 2*w^2 < x^2 + y^2.

Table of values

List of values