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.

A115900 Numbers k such that k + sigma(k) and k + phi(k) are palindromes.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 5
6 219
7 322
8 375
9 22248
10 32065
11 47827
12 1406744
13 2144055
14 2991368
15 3626587
16 4909369
17 172133971
18 177457001
19 328030055
20 3128669654
21 8345867631
22 19649249526
23 45179367929
24 47228405729
25 48534773039
26 49583585599
27 2127577449846
28 2191781701563
29 3972961263797

List of values

[1, 2, 3, 4, 5, 219, 322, 375, 22248, 32065, 47827, 1406744, 2144055, 2991368, 3626587, 4909369, 172133971, 177457001, 328030055, 3128669654, 8345867631, 19649249526, 45179367929, 47228405729, 48534773039, 49583585599, 2127577449846, 2191781701563, 3972961263797]

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

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