OFFSET
1,1
COMMENTS
There are precisely 24 such numbers.
The only number m such that m and m/8 are zeroless pandigital numbers is A050289(362879)=987654312.
FORMULA
a(n)=7*A204140(n).
MATHEMATICA
Module[{lst=FromDigits/@Permutations[Range[9]], l1, l2}, l1=Select[lst, #<141093475&]; l2= Select[ lst, #>864*10^6&]; Select[l2, MemberQ[l1, #/7]&]] (* Harvey P. Dale, Sep 25 2023 *)
CROSSREFS
KEYWORD
nonn,base,fini,full
AUTHOR
Zak Seidov, Jan 11 2012
STATUS
approved