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A255357 Natural numbers n, other than multiples of 10, such that n, n^2 and n^3 lack the digit 1 in their decimal expansion. 0
2, 3, 7, 62, 63, 65, 66, 67, 74, 76, 77, 78, 84, 86, 87, 92, 93, 94, 95, 202, 207, 274, 275, 282, 284, 287, 288, 292, 295, 298, 305, 307, 452, 453, 457, 587, 588, 592, 594, 607, 624, 632, 635, 636, 637, 638, 653, 664, 665, 666, 667, 668, 675, 686, 688, 695, 697, 698, 702, 703, 705, 707 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..62.

EXAMPLE

Numbers {2, 3, 7, 62, 63}, their squares {4, 9, 49, 3844, 3969} and cubes {8, 27, 343, 238328, 250047} all are "one-less".

MATHEMATICA

Select[Range[800], NumberDigit[#, 0]!=0&&FreeQ[Flatten[ IntegerDigits/@ {#, #^2, #^3}], 1]&] (* Harvey P. Dale, Sep 24 2021 *)

CROSSREFS

Cf. A000027, A052383, A067251, A255398, A255430, A255431.

Sequence in context: A299923 A337189 A087358 * A270002 A057736 A181263

Adjacent sequences:  A255354 A255355 A255356 * A255358 A255359 A255360

KEYWORD

nonn,base

AUTHOR

Zak Seidov, Feb 23 2015

EXTENSIONS

Definition modified by Harvey P. Dale, Sep 24 2021

STATUS

approved

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Last modified May 20 23:05 EDT 2022. Contains 353886 sequences. (Running on oeis4.)