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.

A042938 Reverse or triple: if reverse(a(n)) > a(n), a(n+1) = reverse(a(n)), else a(n+1) = 3*a(n).

Table of values

n a(n)
1 1
2 3
3 9
4 27
5 72
6 216
7 612
8 1836
9 6381
10 19143
11 34191
12 102573
13 375201
14 1125603
15 3065211
16 9195633
17 27586899
18 99868572
19 299605716
20 617506992
21 1852520976
22 6790252581
23 20370757743
24 34775707302
25 104327121906
26 609121723401
27 1827365170203
28 3020715637281
29 9062146911843

List of values

[1, 3, 9, 27, 72, 216, 612, 1836, 6381, 19143, 34191, 102573, 375201, 1125603, 3065211, 9195633, 27586899, 99868572, 299605716, 617506992, 1852520976, 6790252581, 20370757743, 34775707302, 104327121906, 609121723401, 1827365170203, 3020715637281, 9062146911843]