This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A187205 Numbers such that the last of the absolute differences of divisors is 0. 6
 10, 40, 50, 56, 104, 130, 136, 160, 170, 171, 224, 230, 232, 250, 290, 310, 312, 370, 392, 410, 430, 459, 470, 520, 530, 560, 590, 610, 624, 640, 648, 670, 710, 730, 790, 830, 890, 896, 970, 1000, 1010, 1030, 1070, 1088, 1090, 1130, 1160, 1216, 1218, 1221 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Numbers n such that A187203(n) = 0. LINKS Reinhard Zumkeller, Table of n, a(n) for n = 1..1000 PROG (Haskell) import Data.List (elemIndices) a187205 n = a187205_list !! (n-1) a187205_list = map (+ 1) \$ elemIndices 0 \$ map a187203 [1..] CROSSREFS Cf. A027750, A187202, A187203, A187204. Sequence in context: A189947 A197705 A306413 * A104045 A102546 A108777 Adjacent sequences:  A187202 A187203 A187204 * A187206 A187207 A187208 KEYWORD nonn AUTHOR Omar E. Pol, Aug 01 2011 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 July 22 06:33 EDT 2019. Contains 325216 sequences. (Running on oeis4.)