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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.

A277318 Prime-factorization representation of irreducible (non-constant) Stern-polynomials B(n,x), listed in the order of increasing index n: a(n) = A260443(A186891(n+1)).

Table of values

n a(n)
1 3
2 6
3 18
4 30
5 270
6 450
7 630
8 6750
9 9450
10 15750
11 22050
12 2310
13 3543750
14 4961250
15 53156250
16 727650
17 173643750
18 18191250
19 25467750
20 2668050
21 90090
22 40020750
23 891371250
24 9550406250
25 212713593750
26 1400726250
27 3190703906250
28 467969906250
29 5013963281250
30 104053950
31 173423250
32 16378946718750
33 1715889656250
34 245684200781250

List of values

[3, 6, 18, 30, 270, 450, 630, 6750, 9450, 15750, 22050, 2310, 3543750, 4961250, 53156250, 727650, 173643750, 18191250, 25467750, 2668050, 90090, 40020750, 891371250, 9550406250, 212713593750, 1400726250, 3190703906250, 467969906250, 5013963281250, 104053950, 173423250, 16378946718750, 1715889656250, 245684200781250]

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

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