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A288659 Numbers whose cubes have an odd number of digits. 4
0, 1, 2, 5, 6, 7, 8, 9, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

The sequence of cubes starts: 0, 1, 8, 125, 216, 343, 512, 729, 10648, 12167, 13824, ...

LINKS

Lars Blomberg, Table of n, a(n) for n = 1..10000

Jeremy Gardiner, Middle digit in square numbers, Seqfan Mailing list, Dec 12 2016.

MATHEMATICA

Join[{0}, Select[Range[200], OddQ[IntegerLength[#^3]]&]] (* Harvey P. Dale, Oct 24 2017 *)

CROSSREFS

Cf. A288657, A288658, A288660.

Sequence in context: A212441 A182783 A084852 * A228374 A092206 A028746

Adjacent sequences:  A288656 A288657 A288658 * A288660 A288661 A288662

KEYWORD

nonn,base,easy

AUTHOR

Lars Blomberg, Jun 13 2017

STATUS

approved

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Last modified August 2 17:02 EDT 2021. Contains 346428 sequences. (Running on oeis4.)