cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A271536 Integers n such that n^2-1 and n^2 are the sum of two nonzero squares.

Table of values

n a(n)
1 17
2 35
3 51
4 73
5 105
6 145
7 195
8 233
9 273
10 289
11 291
12 339
13 451
14 465
15 521
16 577
17 579
18 585
19 611
20 675
21 723
22 777
23 801
24 809
25 819
26 899
27 915
28 969
29 1043
30 1059
31 1097
32 1153
33 1155
34 1185
35 1225
36 1281
37 1313
38 1347
39 1353
40 1395
41 1545
42 1601
43 1603
44 1665
45 1683
46 1731
47 1745
48 1763
49 1801
50 1873
51 1923
52 1961
53 1971
54 2019

List of values

[17, 35, 51, 73, 105, 145, 195, 233, 273, 289, 291, 339, 451, 465, 521, 577, 579, 585, 611, 675, 723, 777, 801, 809, 819, 899, 915, 969, 1043, 1059, 1097, 1153, 1155, 1185, 1225, 1281, 1313, 1347, 1353, 1395, 1545, 1601, 1603, 1665, 1683, 1731, 1745, 1763, 1801, 1873, 1923, 1961, 1971, 2019]