A164335 Quintic recurrence sequence a(0) = 1, a(n) = n*a(n-1)^5.
1, 1, 2, 96, 32614907904, 184523119031305377426211669050277696887837070322565120
Offset: 0
Keywords
Links
- G. C. Greubel, Table of n, a(n) for n = 0..6
Programs
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Mathematica
nxt[{n_, a_}] := {n + 1, (n + 1) a^5}; NestList[nxt, {0, 1}, 5][[All, 2]] (* G. C. Greubel, Sep 14 2017 *) -
PARI
a(n) = if (n==0, 1, n*a(n-1)^5); \\ Michel Marcus, Sep 14 2017
Formula
a(0) = 1, a(n) = n*a(n-1)^5.
Comments