A033667 - OEIS

A033667

Base 3 digital convolution sequence, (with smallest digits).

1, 1, 2, 1, 2, 3, 2, 3, 4, 1, 3, 5, 2, 4, 6, 3, 5, 7, 2, 4, 6, 3, 5, 7, 4, 6, 8, 1, 2, 3, 3, 4, 5, 5, 6, 7, 2, 3, 4, 4, 5, 6, 6, 7, 8, 3, 4, 5, 5, 6, 7, 7, 8, 9, 2, 3, 4, 4, 5, 6, 6, 7, 8, 3, 4, 5, 5, 6, 7, 7, 8, 9, 4, 5, 6, 6, 7, 8, 8, 9, 10, 1, 3, 5, 2, 4, 6, 3, 5, 7, 3, 5, 7, 4, 6, 8, 5, 7, 9, 5, 7, 9

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,3

LINKS

Table of n, a(n) for n=0..101.

Michael Gilleland, Some Self-Similar Integer Sequences

MATHEMATICA

c[ 0, _ ] := 1; c[ n_, b_ ] := c[ n, b ]=Module[ {mul}, mul=IntegerDigits[ n, b ]; Table[ c[ i, b ], {i, 0, Length[ mul ]-1} ].mul ]

CROSSREFS

Sequence in context: A317192 A053735 A359361 * A033923 A233420 A220098

Adjacent sequences: A033664 A033665 A033666 * A033668 A033669 A033670

KEYWORD

nonn,base

AUTHOR

David W. Wilson, Wouter Meeussen

STATUS

approved