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.

A309682 G.f.: C(x)*C(2*x^2)*C(3*x^3)*..., where C(x) is the g.f. for A000108.

Table of values

n a(n)
0 1
1 1
2 4
3 10
4 33
5 81
6 282
7 762
8 2599
9 7979
10 27343
11 89371
12 315256
13 1078498
14 3857048
15 13651786
16 49475282
17 178736186
18 655247192
19 2401663838
20 8883371016
21 32906649488
22 122619768860
23 457836275272
24 1716620421629
25 6449729802639
26 24308647131627
27 91800114425437

List of values

[1, 1, 4, 10, 33, 81, 282, 762, 2599, 7979, 27343, 89371, 315256, 1078498, 3857048, 13651786, 49475282, 178736186, 655247192, 2401663838, 8883371016, 32906649488, 122619768860, 457836275272, 1716620421629, 6449729802639, 24308647131627, 91800114425437]

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

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