The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A187584 Least number divisible by at least n of its digits, different and >1. 1
 2, 24, 248, 2364, 27384, 243768, 23469768, 1234759680 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS a(1)=2=A185186(1), a(2)=24=A187516(1), a(3)=248=A187398(1), a(4)=2364=A187238(1), a(5)=27384=A187533(1), a(6)=243768=A187534(1), a(7)=23469768=A187551(1), a(8)=1234759680=A187565(1). LINKS MATHEMATICA divQ[m_, n_] := Length[(u = Union[Select[IntegerDigits[m], # > 1 &]])] >= n && Plus @@ (Boole@Divisible[m, u]) >= n; a[n_] := Module[{k = 1}, While[! divQ[k, n], k++]; k]; Array[a, 8] (* Amiram Eldar, Aug 30 2020 *) CROSSREFS Cf. A185186, A187238, A187398, A187516, A187533, A187534, A187551, A187565. Sequence in context: A099669 A019520 A300400 * A173228 A061190 A300399 Adjacent sequences:  A187581 A187582 A187583 * A187585 A187586 A187587 KEYWORD nonn,base,fini,full AUTHOR Zak Seidov, Mar 11 2011 EXTENSIONS a(8) corrected by David A. Corneth, Aug 30 2020 STATUS approved

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

Last modified September 26 22:53 EDT 2020. Contains 337377 sequences. (Running on oeis4.)