A371957 - cp's OEIS frontend

A371957 Positive integers k such that the parametric Pell-type equation x^2 - mxy + y^2 = - m^2 - k has no integer solutions (x,y) for all integers m >= 1, excluding the cases k==1 (mod 4), k==3 (mod 9), and k==6 (mod 9).

n	a(n)
1	4
2	8
3	14
4	18
5	19
6	26
7	38
8	44
9	47
10	54
11	63
12	68
13	74
14	79
15	98
16	99
17	103
18	110
19	118
20	119
21	124
22	126
23	134
24	143
25	144
26	154
27	158
28	166
29	179
30	180
31	194
32	198
33	199
34	206
35	207
36	208
37	214
38	215
39	224
40	234
41	238
42	239
43	250
44	254
45	263
46	274
47	278
48	279
49	287
50	299
51	306
52	308
53	314
54	319
55	324
56	326
57	334
58	342
59	351
60	359
61	362
62	368
63	374
64	378
65	383
66	404
67	406
68	414
69	418

[4, 8, 14, 18, 19, 26, 38, 44, 47, 54, 63, 68, 74, 79, 98, 99, 103, 110, 118, 119, 124, 126, 134, 143, 144, 154, 158, 166, 179, 180, 194, 198, 199, 206, 207, 208, 214, 215, 224, 234, 238, 239, 250, 254, 263, 274, 278, 279, 287, 299, 306, 308, 314, 319, 324, 326, 334, 342, 351, 359, 362, 368, 374, 378, 383, 404, 406, 414, 418]

cp's OEIS Frontend

A371957 Positive integers k such that the parametric Pell-type equation x^2 - mxy + y^2 = - m^2 - k has no integer solutions (x,y) for all integers m >= 1, excluding the cases k==1 (mod 4), k==3 (mod 9), and k==6 (mod 9).

Table of values

List of values

n	a(n)
1	4
2	8
3	14
4	18
5	19
6	26
7	38
8	44
9	47
10	54
11	63
12	68
13	74
14	79
15	98
16	99
17	103
18	110
19	118
20	119
21	124
22	126
23	134
24	143
25	144
26	154
27	158
28	166
29	179
30	180
31	194
32	198
33	199
34	206
35	207
36	208
37	214
38	215
39	224
40	234
41	238
42	239
43	250
44	254
45	263
46	274
47	278
48	279
49	287
50	299
51	306
52	308
53	314
54	319
55	324
56	326
57	334
58	342
59	351
60	359
61	362
62	368
63	374
64	378
65	383
66	404
67	406
68	414
69	418

n	a(n)
1	4
2	8
3	14
4	18
5	19
6	26
7	38
8	44
9	47
10	54
11	63
12	68
13	74
14	79
15	98
16	99
17	103
18	110
19	118
20	119
21	124
22	126
23	134
24	143
25	144
26	154
27	158
28	166
29	179
30	180
31	194
32	198
33	199
34	206
35	207
36	208
37	214
38	215
39	224
40	234
41	238
42	239
43	250
44	254
45	263
46	274
47	278
48	279
49	287
50	299
51	306
52	308
53	314
54	319
55	324
56	326
57	334
58	342
59	351
60	359
61	362
62	368
63	374
64	378
65	383
66	404
67	406
68	414
69	418

cp's OEIS Frontend

A371957 Positive integers k such that the parametric Pell-type equation x^2 - m*x*y + y^2 = - m^2 - k has no integer solutions (x,y) for all integers m >= 1, excluding the cases k==1 (mod 4), k==3 (mod 9), and k==6 (mod 9).

Table of values

List of values

A371957 Positive integers k such that the parametric Pell-type equation x^2 - mxy + y^2 = - m^2 - k has no integer solutions (x,y) for all integers m >= 1, excluding the cases k==1 (mod 4), k==3 (mod 9), and k==6 (mod 9).

n	a(n)
1	4
2	8
3	14
4	18
5	19
6	26
7	38
8	44
9	47
10	54
11	63
12	68
13	74
14	79
15	98
16	99
17	103
18	110
19	118
20	119
21	124
22	126
23	134
24	143
25	144
26	154
27	158
28	166
29	179
30	180
31	194
32	198
33	199
34	206
35	207
36	208
37	214
38	215
39	224
40	234
41	238
42	239
43	250
44	254
45	263
46	274
47	278
48	279
49	287
50	299
51	306
52	308
53	314
54	319
55	324
56	326
57	334
58	342
59	351
60	359
61	362
62	368
63	374
64	378
65	383
66	404
67	406
68	414
69	418