The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A033923 Base 3 digital convolution sequence. 0
 1, 1, 2, 1, 2, 3, 2, 3, 4, 2, 3, 4, 3, 4, 5, 4, 5, 6, 4, 5, 6, 5, 6, 7, 6, 7, 8, 1, 2, 3, 2, 3, 4, 3, 4, 5, 3, 4, 5, 4, 5, 6, 5, 6, 7, 5, 6, 7, 6, 7, 8, 7, 8, 9, 2, 3, 4, 3, 4, 5, 4, 5, 6, 4, 5, 6, 5, 6, 7, 6, 7, 8, 6, 7, 8, 7, 8, 9, 8, 9, 10, 2, 3, 4, 3, 4, 5, 4, 5, 6, 4, 5, 6, 5, 6, 7, 6, 7, 8, 6, 7, 8, 7, 8 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 LINKS FORMULA For example, 22 = 211 in base 3, so a(22) = 2a(2)+1a(1)+1a(0). CROSSREFS Sequence in context: A317192 A053735 A033667 * A233420 A220098 A246017 Adjacent sequences:  A033920 A033921 A033922 * A033924 A033925 A033926 KEYWORD nonn,base AUTHOR 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 June 20 17:43 EDT 2021. Contains 345199 sequences. (Running on oeis4.)