A204141 Numbers m such that both m and m/7 are zeroless pandigital numbers (A050289).

864197523, 865749213, 867129543, 871946523, 873526941, 893154276, 893472615, 893542671, 927413865, 928175346, 941687523, 946728153, 951487236, 951634782, 953721846, 956182374, 957312468, 958126743, 963521874, 963824715, 964785213, 971268543, 971568234, 972835164

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.

Links

Table of n, a(n) for n=1..24.

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

Cf. A050289, A204140.

Sequence in context: A229800 A182239 A204406 * A214557 A214558 A183708

Adjacent sequences: A204138 A204139 A204140 * A204142 A204143 A204144

Keyword

nonn,base,fini,full

Author

Zak Seidov, Jan 11 2012

Status

approved