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A033667
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Base 3 digital convolution sequence, (with smallest digits).
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0
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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; internal format)
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OFFSET
| 0,3
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LINKS
| Michael Gilleland, Some Self-Similar Integer Sequences
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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 ]
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CROSSREFS
| Sequence in context: A147844 A130634 A053735 * A033923 A116939 A008611
Adjacent sequences: A033664 A033665 A033666 * A033668 A033669 A033670
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KEYWORD
| nonn,base
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AUTHOR
| David W. Wilson (davidwwilson(AT)comcast.net), Wouter Meeussen (wouter.meeussen(AT)pandora.be)
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