The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A204141 Numbers m such that both m and m/7 are zeroless pandigital numbers (A050289). 1
 864197523, 865749213, 867129543, 871946523, 873526941, 893154276, 893472615, 893542671, 927413865, 928175346, 941687523, 946728153, 951487236, 951634782, 953721846, 956182374, 957312468, 958126743, 963521874, 963824715, 964785213, 971268543, 971568234, 972835164 (list; graph; refs; listen; history; text; internal format)
 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

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified August 8 03:39 EDT 2024. Contains 375018 sequences. (Running on oeis4.)