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Search: id:A053667
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A053667 Product of digits of n^2. +0
1
0, 1, 4, 9, 6, 10, 18, 36, 24, 8, 0, 2, 16, 54, 54, 20, 60, 144, 24, 18, 0, 16, 128, 90, 210, 60, 252, 126, 224, 32, 0, 54, 0, 0, 30, 20, 108, 162, 64, 10, 0, 48, 168, 288, 162, 0, 12, 0, 0, 0, 0, 0, 0, 0, 108, 0, 54, 216, 216, 96, 0, 42, 384, 1458, 0, 80, 360, 1152, 192, 168, 0, 0, 160 (list; graph; listen)
OFFSET

0,3

EXAMPLE

a(7)=36 because 7^2=49 and 4*9=36.

CROSSREFS

Sequence in context: A155875 A105274 A089390 this_sequence A075065 A141553 A095065

Adjacent sequences: A053664 A053665 A053666 this_sequence A053668 A053669 A053670

KEYWORD

easy,nonn,base

AUTHOR

Enoch Haga (Enokh(AT)comcast.net), Feb 17 2000

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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