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.

A264230 G.f. A(x) satisfies: A(x)^3 = A( x^3/(1-9*x) ), with A(0) = 0.

Table of values

n a(n)
1 1
2 3
3 18
4 127
5 957
6 7497
7 60233
8 492558
9 4080897
10 34152449
11 288107376
12 2446274610
13 20883006135
14 179081408925
15 1541668556502
16 13316391292552
17 115359341792511
18 1001932660939401
19 8722045942211055
20 76082885748597996
21 664898144584551048
22 5820315513644860974
23 51026465572312794534
24 447965934572491365465
25 3937723838880233903750

List of values

[1, 3, 18, 127, 957, 7497, 60233, 492558, 4080897, 34152449, 288107376, 2446274610, 20883006135, 179081408925, 1541668556502, 13316391292552, 115359341792511, 1001932660939401, 8722045942211055, 76082885748597996, 664898144584551048, 5820315513644860974, 51026465572312794534, 447965934572491365465, 3937723838880233903750]

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

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