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A204818 Final nonzero digit of n^n in base 8. 1
1, 1, 4, 3, 4, 5, 1, 7, 1, 1, 2, 3, 1, 5, 4, 7, 2, 1, 1, 3, 2, 5, 2, 7, 1, 1, 4, 3, 4, 5, 1, 7, 2, 1, 2, 3, 1, 5, 4, 7, 1, 1, 1, 3, 2, 5, 2, 7, 1, 1, 4, 3, 4, 5, 1, 7, 1, 1, 2, 3, 1, 5, 4, 7, 1, 1, 1, 3, 2, 5, 2, 7, 1, 1, 4, 3, 4, 5, 1, 7, 4, 1, 2, 3, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..84.

MATHEMATICA

f[0]=1; f[n_]:=Module[{m=n^n}, While[Mod[m, 8]==0, m=m/8]; Mod[m, 8]]; Table[f[i], {i, 0, 100}]

lnzd[x_]:=Module[{idn=IntegerDigits[x, 8]}, While[Last[idn]==0, idn=Most[idn]]; Last[idn]]; Join[{1}, Table[lnzd[n^n], {n, 90}]] (* Harvey P. Dale, Oct 03 2015 *)

CROSSREFS

Sequence in context: A002558 A204671 A204816 * A099634 A203144 A109382

Adjacent sequences:  A204815 A204816 A204817 * A204819 A204820 A204821

KEYWORD

nonn,base

AUTHOR

José María Grau Ribas, Jan 19 2012

STATUS

approved

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Last modified November 22 00:32 EST 2019. Contains 329383 sequences. (Running on oeis4.)