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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.

A347842 a(n) is the number of (strict) chains of subspaces with ends 0 and (F_4)^n.

Table of values

n a(n)
0 1
1 1
2 6
3 148
4 14808
5 5942608
6 9546508128
7 61355108818240
8 1577381936031968640
9 162213856617581098030336
10 66726795842176170072717129216
11 109792555585903911536355551233758208
12 722612693482570097701467493432061846673408
13 19023844570798442009810731239392846416136188284928

List of values

[1, 1, 6, 148, 14808, 5942608, 9546508128, 61355108818240, 1577381936031968640, 162213856617581098030336, 66726795842176170072717129216, 109792555585903911536355551233758208, 722612693482570097701467493432061846673408, 19023844570798442009810731239392846416136188284928]

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

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