The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A146562 'Erratic' numbers in A064353 [Kolakoski (1,3)] 1
 3, 6, 9, 15, 18, 21, 25, 29, 32, 35, 41, 44, 47, 51, 54, 57, 61, 64, 67, 73, 76, 79, 83, 87, 90, 93, 99, 102, 105, 109, 112, 115, 121, 124, 127, 131, 134, 137, 143, 146, 149, 153, 157, 160, 163, 169, 172, 175, 179, 182, 185, 189, 192, 195, 201, 204, 207, 211 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS A064353(n) is generally 1 if n is odd and 3 if n is even. An 'erratic' number breaks this rule. LINKS Reinhard Zumkeller, Table of n, a(n) for n = 1..10000 EXAMPLE A064353(3) is predicted to be 1 but is 3 so 3 is in the list. PROG (Haskell) import Data.List (findIndices) a146562 n = a146562_list !! (n-1) a146562_list = map (+ 1) \$    findIndices (/= 0) \$ zipWith (-) a064353_list \$ cycle [1, 3] -- Reinhard Zumkeller, Aug 03 2013 CROSSREFS Cf. A064353. Cf. A010684. Sequence in context: A310174 A058597 A310175 * A342594 A179893 A274191 Adjacent sequences:  A146559 A146560 A146561 * A146563 A146564 A146565 KEYWORD nonn AUTHOR J. Perry (johnandruth(AT)jrperry.orangehome.co.uk), Nov 01 2008 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified May 24 05:06 EDT 2022. Contains 354005 sequences. (Running on oeis4.)