A211427 - cp's OEIS frontend

A211427 Number of ordered triples (w,x,y) with all terms in {-n,...,0,...,n} and 3w^2+xy=0.

n	a(n)
0	1
1	5
2	9
3	21
4	33
5	37
6	49
7	53
8	65
9	77
10	81
11	85
12	113
13	117
14	121
15	133
16	153
17	157
18	169
19	173
20	185
21	197
22	201
23	205
24	233
25	253
26	257
27	301
28	313
29	317
30	329
31	333
32	353
33	365
34	369
35	373
36	401
37	405
38	409
39	421
40	433
41	437
42	449
43	453
44	465
45	477
46	481
47	485
48	537
49	573
50	593
51	605
52	617

[1, 5, 9, 21, 33, 37, 49, 53, 65, 77, 81, 85, 113, 117, 121, 133, 153, 157, 169, 173, 185, 197, 201, 205, 233, 253, 257, 301, 313, 317, 329, 333, 353, 365, 369, 373, 401, 405, 409, 421, 433, 437, 449, 453, 465, 477, 481, 485, 537, 573, 593, 605, 617]

cp's OEIS Frontend

A211427 Number of ordered triples (w,x,y) with all terms in {-n,...,0,...,n} and 3w^2+xy=0.

Table of values

List of values

n	a(n)
0	1
1	5
2	9
3	21
4	33
5	37
6	49
7	53
8	65
9	77
10	81
11	85
12	113
13	117
14	121
15	133
16	153
17	157
18	169
19	173
20	185
21	197
22	201
23	205
24	233
25	253
26	257
27	301
28	313
29	317
30	329
31	333
32	353
33	365
34	369
35	373
36	401
37	405
38	409
39	421
40	433
41	437
42	449
43	453
44	465
45	477
46	481
47	485
48	537
49	573
50	593
51	605
52	617

n	a(n)
0	1
1	5
2	9
3	21
4	33
5	37
6	49
7	53
8	65
9	77
10	81
11	85
12	113
13	117
14	121
15	133
16	153
17	157
18	169
19	173
20	185
21	197
22	201
23	205
24	233
25	253
26	257
27	301
28	313
29	317
30	329
31	333
32	353
33	365
34	369
35	373
36	401
37	405
38	409
39	421
40	433
41	437
42	449
43	453
44	465
45	477
46	481
47	485
48	537
49	573
50	593
51	605
52	617

cp's OEIS Frontend

A211427 Number of ordered triples (w,x,y) with all terms in {-n,...,0,...,n} and 3*w^2+x*y=0.

Table of values

List of values

A211427 Number of ordered triples (w,x,y) with all terms in {-n,...,0,...,n} and 3w^2+xy=0.

n	a(n)
0	1
1	5
2	9
3	21
4	33
5	37
6	49
7	53
8	65
9	77
10	81
11	85
12	113
13	117
14	121
15	133
16	153
17	157
18	169
19	173
20	185
21	197
22	201
23	205
24	233
25	253
26	257
27	301
28	313
29	317
30	329
31	333
32	353
33	365
34	369
35	373
36	401
37	405
38	409
39	421
40	433
41	437
42	449
43	453
44	465
45	477
46	481
47	485
48	537
49	573
50	593
51	605
52	617