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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.

A370844 Expansion of (1/x) * Series_Reversion( x / (1/(1-x)^4 + x) ).

Table of values

n a(n)
0 1
1 5
2 35
3 295
4 2760
5 27556
6 287564
7 3098780
8 34216020
9 385106280
10 4401850866
11 50957904938
12 596231618166
13 7039674475190
14 83767631913840
15 1003564049999916
16 12094813260406732
17 146534778450346908
18 1783695235540931924
19 21803615393276536720
20 267537602528379374851

List of values

[1, 5, 35, 295, 2760, 27556, 287564, 3098780, 34216020, 385106280, 4401850866, 50957904938, 596231618166, 7039674475190, 83767631913840, 1003564049999916, 12094813260406732, 146534778450346908, 1783695235540931924, 21803615393276536720, 267537602528379374851]

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

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