A211426 - cp's OEIS frontend

A211426 Number of ordered triples (w,x,y) with all terms in {-n,...,0,...,n} and 2w^2+xy=0.

n	a(n)
0	1
1	5
2	17
3	21
4	33
5	37
6	49
7	53
8	73
9	93
10	105
11	109
12	121
13	125
14	137
15	141
16	161
17	165
18	201
19	205
20	217
21	221
22	233
23	237
24	257
25	285
26	297
27	317
28	329
29	333
30	345
31	349
32	393
33	397
34	409
35	413
36	449
37	453
38	465
39	469
40	489
41	493
42	505
43	509
44	521
45	541
46	553
47	557
48	577
49	613
50	673
51	677

[1, 5, 17, 21, 33, 37, 49, 53, 73, 93, 105, 109, 121, 125, 137, 141, 161, 165, 201, 205, 217, 221, 233, 237, 257, 285, 297, 317, 329, 333, 345, 349, 393, 397, 409, 413, 449, 453, 465, 469, 489, 493, 505, 509, 521, 541, 553, 557, 577, 613, 673, 677]

cp's OEIS Frontend

A211426 Number of ordered triples (w,x,y) with all terms in {-n,...,0,...,n} and 2w^2+xy=0.

Table of values

List of values

n	a(n)
0	1
1	5
2	17
3	21
4	33
5	37
6	49
7	53
8	73
9	93
10	105
11	109
12	121
13	125
14	137
15	141
16	161
17	165
18	201
19	205
20	217
21	221
22	233
23	237
24	257
25	285
26	297
27	317
28	329
29	333
30	345
31	349
32	393
33	397
34	409
35	413
36	449
37	453
38	465
39	469
40	489
41	493
42	505
43	509
44	521
45	541
46	553
47	557
48	577
49	613
50	673
51	677

n	a(n)
0	1
1	5
2	17
3	21
4	33
5	37
6	49
7	53
8	73
9	93
10	105
11	109
12	121
13	125
14	137
15	141
16	161
17	165
18	201
19	205
20	217
21	221
22	233
23	237
24	257
25	285
26	297
27	317
28	329
29	333
30	345
31	349
32	393
33	397
34	409
35	413
36	449
37	453
38	465
39	469
40	489
41	493
42	505
43	509
44	521
45	541
46	553
47	557
48	577
49	613
50	673
51	677

cp's OEIS Frontend

A211426 Number of ordered triples (w,x,y) with all terms in {-n,...,0,...,n} and 2*w^2+x*y=0.

Table of values

List of values

A211426 Number of ordered triples (w,x,y) with all terms in {-n,...,0,...,n} and 2w^2+xy=0.

n	a(n)
0	1
1	5
2	17
3	21
4	33
5	37
6	49
7	53
8	73
9	93
10	105
11	109
12	121
13	125
14	137
15	141
16	161
17	165
18	201
19	205
20	217
21	221
22	233
23	237
24	257
25	285
26	297
27	317
28	329
29	333
30	345
31	349
32	393
33	397
34	409
35	413
36	449
37	453
38	465
39	469
40	489
41	493
42	505
43	509
44	521
45	541
46	553
47	557
48	577
49	613
50	673
51	677