A211438 - cp's OEIS frontend

A211438 Number of ordered triples (w,x,y) with all terms in {-n,...,0,...,n} and w+2x+2y=0.

n	a(n)
0	1
1	3
2	13
3	19
4	39
5	49
6	79
7	93
8	133
9	151
10	201
11	223
12	283
13	309
14	379
15	409
16	489
17	523
18	613
19	651
20	751
21	793
22	903
23	949
24	1069
25	1119
26	1249
27	1303
28	1443
29	1501
30	1651
31	1713
32	1873
33	1939
34	2109
35	2179
36	2359
37	2433
38	2623
39	2701
40	2901
41	2983
42	3193
43	3279
44	3499
45	3589

[1, 3, 13, 19, 39, 49, 79, 93, 133, 151, 201, 223, 283, 309, 379, 409, 489, 523, 613, 651, 751, 793, 903, 949, 1069, 1119, 1249, 1303, 1443, 1501, 1651, 1713, 1873, 1939, 2109, 2179, 2359, 2433, 2623, 2701, 2901, 2983, 3193, 3279, 3499, 3589]

cp's OEIS Frontend

A211438 Number of ordered triples (w,x,y) with all terms in {-n,...,0,...,n} and w+2x+2y=0.

Table of values

List of values