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A115925
Numbers k such that k and 5*k, taken together, are pandigital.
5
13458, 13584, 13854, 14538, 14586, 14658, 15384, 15846, 15864, 18534, 18546, 18654, 20697, 20769, 20937, 20967, 20973, 26097, 26956, 26958, 26970, 27096, 27609, 27690, 29076, 29356, 29358, 29370, 29536, 29538, 29566, 29586, 29607, 29670, 29706, 29730, 30972, 32097, 32956
OFFSET
1,1
EXAMPLE
13458 and 67290=13458*5 together contain all the 10 digits once.
MATHEMATICA
pdQ[n_]:=Module[{idn=IntegerDigits[n], idn5=IntegerDigits[5n]}, Union[Join[idn, idn5]]==Range[0, 9]]
Select[Range[50000], pdQ] (* Harvey P. Dale, Mar 06 2011 *)
CROSSREFS
KEYWORD
nonn,base,fini,full
AUTHOR
Giovanni Resta, Feb 06 2006
EXTENSIONS
More terms from Harvey P. Dale, Mar 06 2011
STATUS
approved