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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.

A323783 a(n) = A134028(A323782(n)): Primes and negated primes such that the reverse of the balanced ternary representation is a prime.

Table of values

n a(n)
1 -2
2 -11
3 7
4 -5
5 13
6 -29
7 -17
8 37
9 31
10 43
11 -83
12 -101
13 61
14 -89
15 73
16 -53
17 -71
18 -59
19 103
20 -173
21 313
22 -353
23 241
24 -137
25 -263
26 223
27 331
28 277
29 181
30 -269
31 163
32 -179
33 -233
34 199
35 -347
36 139
37 193
38 -311
39 -149
40 367
41 853
42 691
43 -929
44 -443
45 -983
46 421
47 -389
48 -839
49 457
50 -677

List of values

[-2, -11, 7, -5, 13, -29, -17, 37, 31, 43, -83, -101, 61, -89, 73, -53, -71, -59, 103, -173, 313, -353, 241, -137, -263, 223, 331, 277, 181, -269, 163, -179, -233, 199, -347, 139, 193, -311, -149, 367, 853, 691, -929, -443, -983, 421, -389, -839, 457, -677]

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

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