A211430 - cp's OEIS frontend

A211430 Number of ordered triples (w,x,y) with all terms in {-n,...,0,...,n} and w^2+x+y=0.

n	a(n)
0	1
1	7
2	15
3	25
4	35
5	49
6	63
7	77
8	93
9	111
10	129
11	147
12	165
13	187
14	209
15	231
16	253
17	275
18	299
19	325
20	351
21	377
22	403
23	429
24	455
25	485
26	515
27	545
28	575
29	605
30	635
31	665
32	697
33	731
34	765
35	799
36	833
37	867
38	901
39	935
40	969
41	1007
42	1045
43	1083
44	1121
45	1159
46	1197
47	1235
48	1273
49	1311

[1, 7, 15, 25, 35, 49, 63, 77, 93, 111, 129, 147, 165, 187, 209, 231, 253, 275, 299, 325, 351, 377, 403, 429, 455, 485, 515, 545, 575, 605, 635, 665, 697, 731, 765, 799, 833, 867, 901, 935, 969, 1007, 1045, 1083, 1121, 1159, 1197, 1235, 1273, 1311]

cp's OEIS Frontend

A211430 Number of ordered triples (w,x,y) with all terms in {-n,...,0,...,n} and w^2+x+y=0.

Table of values

List of values