A051019 Numbers that are 3-persistent but not 4-persistent.

1052674893, 1052687493, 1052746893, 1052748693, 1052867493, 1052874693, 1053267489, 1053268749, 1053274869, 1053286749, 1053287469, 1065273489, 1065287349, 1067285493, 1067328549, 1068547293, 1068547329, 1068549273

Offset

1,1

Comments

A number n is k-persistent iff all of {n, 2n,..., kn} are pandigital (in the sense of A171102).

Links

Hans Havermann, Table of n, a(n) for n = 1..1000

Eric Weisstein's World of Mathematics, Persistent Number

Prog

(PARI) is_A051019(n)=for(i=1, 4, 9<#Set(Vec(Str(i*n))) || return(i>3)) \\ M. F. Hasler, Jan 10 2012

Crossrefs

Cf. A171102 (pandigital), A204047 (smallest n-persistent), A051264 (1-persistent), A051018 (2-persistent), A051020 (4-persistent), A204096 (5-persistent), A204097 (6-persistent).

Sequence in context: A321066 A222531 A167476 * A051020 A221262 A115940

Adjacent sequences: A051016 A051017 A051018 * A051020 A051021 A051022

Keyword

nonn,base

Author

Eric W. Weisstein

Extensions

Definition corrected by Franklin T. Adams-Watters, Jan 09 2012

Status

approved