A211806 - cp's OEIS frontend

A211806 Number of ordered triples (w,x,y) with all terms in {1,...,n} and 2w^2<=x^2+y^2.

n	a(n)
1	1
2	5
3	16
4	36
5	69
6	119
7	190
8	282
9	399
10	547
11	726
12	940
13	1195
14	1493
15	1834
16	2224
17	2669
18	3165
19	3720
20	4338
21	5021
22	5771
23	6596
24	7494
25	8467
26	9521
27	10662
28	11890
29	13207
30	14621
31	16134
32	17742
33	19457
34	21283
35	23214
36	25258
37	27421
38	29703
39	32108
40	34638

[1, 5, 16, 36, 69, 119, 190, 282, 399, 547, 726, 940, 1195, 1493, 1834, 2224, 2669, 3165, 3720, 4338, 5021, 5771, 6596, 7494, 8467, 9521, 10662, 11890, 13207, 14621, 16134, 17742, 19457, 21283, 23214, 25258, 27421, 29703, 32108, 34638]

cp's OEIS Frontend

A211806 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