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.

A141160 Primes of the form -x^2 + 3*x*y + 3*y^2 (as well as of the form 5*x^2 + 9*x*y + 3*y^2).

Table of values

n a(n)
1 3
2 5
3 17
4 41
5 47
6 59
7 83
8 89
9 101
10 131
11 167
12 173
13 227
14 251
15 257
16 269
17 293
18 311
19 353
20 383
21 419
22 461
23 467
24 479
25 503
26 509
27 521
28 563
29 587
30 593
31 647
32 677
33 719
34 761
35 773
36 797
37 839
38 857
39 881
40 887
41 929
42 941
43 971
44 983
45 1013
46 1049
47 1091
48 1097
49 1109
50 1151
51 1181
52 1193

List of values

[3, 5, 17, 41, 47, 59, 83, 89, 101, 131, 167, 173, 227, 251, 257, 269, 293, 311, 353, 383, 419, 461, 467, 479, 503, 509, 521, 563, 587, 593, 647, 677, 719, 761, 773, 797, 839, 857, 881, 887, 929, 941, 971, 983, 1013, 1049, 1091, 1097, 1109, 1151, 1181, 1193]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.