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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,6

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

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

Adjacent sequences:  A023965 A023966 A023967 * A023969 A023970 A023971

KEYWORD

nonn,base

AUTHOR

N. J. A. Sloane, Olivier Gérard

STATUS

approved

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Last modified December 14 16:40 EST 2018. Contains 318098 sequences. (Running on oeis4.)