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A023967 First digit after decimal point of 8th root of n. 1
0, 0, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 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, 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,5

LINKS

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

MATHEMATICA

Array[ Function[ n, RealDigits[ N[ Power[ n, 1/8 ], 10 ], 10 ]// (#[ [ 1, #[ [ 2 ] ]+1 ] ])& ], 110 ]

Table[Mod[Floor[10N[Surd[n, 8]]], 10], {n, 130}] (* Harvey P. Dale, Apr 11 2020 *)

CROSSREFS

Sequence in context: A242768 A064557 A064601 * A278163 A260999 A090532

Adjacent sequences:  A023964 A023965 A023966 * A023968 A023969 A023970

KEYWORD

nonn,base

AUTHOR

N. J. A. Sloane, Olivier Gérard

STATUS

approved

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Last modified August 10 16:56 EDT 2020. Contains 336381 sequences. (Running on oeis4.)