A031398 - cp's OEIS frontend

A031398 Squarefree n with no 4k+3 factors such that Pell equation x^2 - n y^2 = -1 is insoluble.

n	a(n)
1	34
2	146
3	178
4	194
5	205
6	221
7	305
8	377
9	386
10	410
11	466
12	482
13	505
14	514
15	545
16	562
17	674
18	689
19	706
20	745
21	793
22	802
23	866
24	890
25	898
26	905
27	1154
28	1186
29	1202
30	1205
31	1234
32	1282
33	1345
34	1346
35	1394
36	1405
37	1469
38	1513
39	1517
40	1537
41	1538
42	1717
43	1762
44	1802
45	1858

[34, 146, 178, 194, 205, 221, 305, 377, 386, 410, 466, 482, 505, 514, 545, 562, 674, 689, 706, 745, 793, 802, 866, 890, 898, 905, 1154, 1186, 1202, 1205, 1234, 1282, 1345, 1346, 1394, 1405, 1469, 1513, 1517, 1537, 1538, 1717, 1762, 1802, 1858]

cp's OEIS Frontend

A031398 Squarefree n with no 4k+3 factors such that Pell equation x^2 - n y^2 = -1 is insoluble.

Table of values

List of values