A173901 Numbers n with property that the square of each digit of n is a substring of n^3

1, 5, 10, 11, 13, 17, 22, 31, 33, 50, 100, 101, 103, 110, 111, 112, 113, 118, 122, 130, 131, 170, 202, 220, 222, 233, 301, 310, 327, 330, 331, 332, 333, 446, 500, 501, 525, 545, 565, 961, 1000, 1001, 1003, 1005, 1010, 1011, 1012, 1013, 1021, 1022, 1030, 1031

Offset

1,2

Links

Harvey P. Dale, Table of n, a(n) for n = 1..1000

Mathematica

sdsQ[n_]:=Module[{idn3=IntegerDigits[n^3], idn2=IntegerDigits/@ (IntegerDigits[ n]^2)}, And@@Table[SequenceCount[idn3, idn2[[i]]]>0, {i, Length[idn2]}]]; Select[Range[1500], sdsQ] (* The program uses the SequenceCount function from Mathematica version 10 *) (* Harvey P. Dale, Aug 08 2016 *)

Crossrefs

Sequence in context: A028807 A242994 A070791 * A016084 A007618 A004748

Adjacent sequences: A173898 A173899 A173900 * A173902 A173903 A173904

Keyword

base,nonn

Author

Claudio Meller, Mar 01 2010

Extensions

Corrected and extended by Harvey P. Dale, Aug 08 2016

Status

approved