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A023968
First digit after decimal point of 9th root of n.
1
0, 0, 1, 1, 1, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6
OFFSET
1,6
LINKS
MATHEMATICA
Array[ Function[ n, RealDigits[ N[ Power[ n, 1/9 ], 10 ], 10 ]// (#[ [ 1, #[ [ 2 ] ]+1 ] ])& ], 110 ]
Table[Mod[Floor[10*Surd[n, 9]], 10], {n, 120}] (* Harvey P. Dale, Apr 02 2018 *)
CROSSREFS
Sequence in context: A130259 A068549 A132173 * A284248 A204166 A227581
KEYWORD
nonn,base
STATUS
approved