This site is supported by donations to The OEIS Foundation.

 Annual Appeal: Please make a donation to keep the OEIS running. In 2017 we replaced the server with a faster one, added 20000 new sequences, and reached 7000 citations (often saying "discovered thanks to the OEIS"). Other ways to donate

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 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 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

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