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A023091 Numbers n such that n and 7*n are anagrams. 9
0, 1359, 11688, 11883, 12903, 13029, 13359, 13449, 13590, 13599, 13659, 107583, 108726, 111873, 116688, 116880, 116988, 118731, 118830, 118833, 119883, 123876, 124875, 126888, 127389, 129003, 129030, 129033, 129903, 130029, 130149, 130290 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

All terms are divisible by 3. Eric M. Schmidt, Jul 12 2014

LINKS

David W. Wilson, Table of n, a(n) for n = 1..10001

MATHEMATICA

si[n_] := Sort@ IntegerDigits@ n; Flatten@{0, Table[Select[Range[10^d + 2, 2 10^d - 1, 3], si[#] == si[7 #] &], {d, 0, 6}]} (* Giovanni Resta, Mar 20 2017 *)

CROSSREFS

Cf. A023086, A023087, A023088, A023089, A023090, A023092, A023093.

Sequence in context: A316680 A252379 A175696 * A242458 A223254 A260441

Adjacent sequences:  A023088 A023089 A023090 * A023092 A023093 A023094

KEYWORD

nonn,base

AUTHOR

David W. Wilson

STATUS

approved

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Last modified August 19 08:14 EDT 2019. Contains 326115 sequences. (Running on oeis4.)