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Search: id:A033647
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| A033647 |
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Base 10 digital convolution sequence. |
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+0
1
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| 1, 1, 2, 6, 24, 120, 720, 5040, 40320, 362880, 40320, 403200, 846720, 2943360, 12620160, 66044160, 408885120, 2928240000, 23834805120, 217441486080, 47669610240, 482552582400, 1060444385280, 4146438320640, 18706642053120
(list; graph; listen)
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OFFSET
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0,3
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EXAMPLE
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Suppose base = 3 and a(0)..a(13) are 1 1 2 1 3 7 6 20 52 6 26 104 32 162. In base 3, 14 = 112, so we convolve the last three terms with 1, 1, 2 to obtain 104*1+32*1+162*2 = 460.
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CROSSREFS
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Sequence in context: A066459 A071937 A061602 this_sequence A109834 A131451 A084012
Adjacent sequences: A033644 A033645 A033646 this_sequence A033648 A033649 A033650
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KEYWORD
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base,nonn
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AUTHOR
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David W. Wilson (davidwwilson(AT)comcast.net)
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