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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.

A347843 a(n) is the number of (strict) chains of subspaces with ends 0 and (F_5)^n.

Table of values

n a(n)
0 1
1 1
2 7
3 249
4 44643
5 40065301
6 179833594207
7 4036127700341649
8 452932494435315724443
9 254139954749268142006053901
10 712988623255130761190069046824407
11 10001434425838325885839124865408303623049
12 701474672607858244757589244286886103482442884243

List of values

[1, 1, 7, 249, 44643, 40065301, 179833594207, 4036127700341649, 452932494435315724443, 254139954749268142006053901, 712988623255130761190069046824407, 10001434425838325885839124865408303623049, 701474672607858244757589244286886103482442884243]

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

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