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A033923 Base 3 digital convolution sequence. 1
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: A053735 A359361 A033667 * A233420 A220098 A246017
KEYWORD
nonn,base
AUTHOR
STATUS
approved

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Last modified March 19 03:33 EDT 2024. Contains 370952 sequences. (Running on oeis4.)