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A035131 Cubes that when digits rotated left once remain cubic. 2
1, 8, 512, 95443993 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Those resulting in leading zeros excluded.

LINKS

Table of n, a(n) for n=1..4.

Eric Weisstein's World of Mathematics, Cubic Number

EXAMPLE

8^3 = 512 and 125 = 5^3.

MATHEMATICA

Select[Range[500]^3, (d = RotateLeft @ IntegerDigits[#])[[1]] > 0 && IntegerQ @ Surd[FromDigits @ d, 3] &] (* Amiram Eldar, Oct 08 2019 *)

CROSSREFS

Cf. A035127, A035129, A035130.

Sequence in context: A013713 A109966 A139567 * A067512 A067505 A173058

Adjacent sequences:  A035128 A035129 A035130 * A035132 A035133 A035134

KEYWORD

nonn,base,hard

AUTHOR

Patrick De Geest, Nov 15 1998

STATUS

approved

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Last modified May 28 21:37 EDT 2020. Contains 334690 sequences. (Running on oeis4.)