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.

A300991 O.g.f. A(x) satisfies: A(x) = x * (1 - 4*x*A'(x)) / (1 - 5*x*A'(x)).

Table of values

n a(n)
1 1
2 1
3 7
4 66
5 769
6 10405
7 157540
8 2609120
9 46569365
10 886686635
11 17878075475
12 379658470550
13 8456459003700
14 196924945517500
15 4781934837995500
16 120830066634026000
17 3171336593264680125
18 86326557180541530375
19 2433904105428495204125
20 70991247725936793222750
21 2139844431980825211095625
22 66589703922949982943093125
23 2137375830643389417662717500
24 70701647390083655222041600000

List of values

[1, 1, 7, 66, 769, 10405, 157540, 2609120, 46569365, 886686635, 17878075475, 379658470550, 8456459003700, 196924945517500, 4781934837995500, 120830066634026000, 3171336593264680125, 86326557180541530375, 2433904105428495204125, 70991247725936793222750, 2139844431980825211095625, 66589703922949982943093125, 2137375830643389417662717500, 70701647390083655222041600000]

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

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