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.

A277300 G.f. satisfies: A(x - A(x)^2) = x + 4*A(x)^2.

Table of values

n a(n)
1 1
2 5
3 60
4 1000
5 19970
6 448160
7 10926360
8 283651245
9 7740058300
10 220046970860
11 6476695275680
12 196438030797880
13 6117627849485360
14 195082685133612800
15 6355848358118392400
16 211189970909192038500
17 7146354688384980282000
18 245970478274041025623200
19 8602606263466490521359400
20 305460999044315834902424200
21 11003870605124169641012461600

List of values

[1, 5, 60, 1000, 19970, 448160, 10926360, 283651245, 7740058300, 220046970860, 6476695275680, 196438030797880, 6117627849485360, 195082685133612800, 6355848358118392400, 211189970909192038500, 7146354688384980282000, 245970478274041025623200, 8602606263466490521359400, 305460999044315834902424200, 11003870605124169641012461600]

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

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