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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.

A294332 G.f.: exp( Sum_{n>=1} A180563(n) * x^n / n ).

Table of values

n a(n)
0 1
1 1
2 -1
3 5
4 -45
5 609
6 -11141
7 257281
8 -7170355
9 233936995
10 -8744103079
11 368479396171
12 -17288353555771
13 894005702731735
14 -50527305282004435
15 3099060459670425655
16 -205028564671300495120
17 14554510561318327509610
18 -1103542106915790217739110
19 89009707681627448130203830
20 -7610129271299704960998906454
21 687495658528174987634449288846
22 -65438091790081511530153327883206
23 6545685493719560524729653911676430

List of values

[1, 1, -1, 5, -45, 609, -11141, 257281, -7170355, 233936995, -8744103079, 368479396171, -17288353555771, 894005702731735, -50527305282004435, 3099060459670425655, -205028564671300495120, 14554510561318327509610, -1103542106915790217739110, 89009707681627448130203830, -7610129271299704960998906454, 687495658528174987634449288846, -65438091790081511530153327883206, 6545685493719560524729653911676430]

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

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