A030100 - OEIS

A030100

Cubes whose digits are all odd.

1, 1331, 3375, 35937, 59319, 357911, 753571, 5177717, 5359375, 5735339, 9393931, 17373979, 37595375, 37159393753, 99317171591, 175333911173, 397551775977, 1913551573375, 9735913353977, 11997979755957, 17171515157399, 335571975137771, 1331399339931331

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OFFSET

1,2

LINKS

Giovanni Resta, Table of n, a(n) for n = 1..563 (terms < 10^57)

FORMULA

a(n) = A030099(n)^3.

MATHEMATICA

Select[Range[23000]^3, And@@(OddQ/@IntegerDigits[#])&] (* Harvey P. Dale, Aug 20 2011 *)

CROSSREFS

Cf. A030099, A034376, A052004.

Sequence in context: A202457 A252347 A295900 * A017283 A017391 A017655

Adjacent sequences: A030097 A030098 A030099 * A030101 A030102 A030103

KEYWORD

nonn,base,nice

AUTHOR

Patrick De Geest

STATUS

approved