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A175252 Finite sequence of numbers such that their digit representation is equal to digit representation of initial terms of their sets of divisors in increasing order. 0
1, 12, 124, 135, 1525, 13515, 124816, 12356910 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

a(1) = 1: d(1) = {1}. . a(2) = 12: d(12) = {1, 2, 3, 4, 6, 12}. . a(3) = 124: d(124) = {1, 2, 4, 31, 62, 124}. . a(4) = 135: d(135) = {1, 3, 5, 9, 15, 45, 135}.

LINKS

Table of n, a(n) for n=1..8.

CROSSREFS

Sequence in context: A071269 A061088 A176556 * A173578 A291065 A273586

Adjacent sequences:  A175249 A175250 A175251 * A175253 A175254 A175255

KEYWORD

nonn,base

AUTHOR

Jaroslav Krizek, Mar 14 2010

STATUS

approved

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Last modified December 10 09:49 EST 2018. Contains 318047 sequences. (Running on oeis4.)