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A030512
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Concatenation of first n 2-digit positive integers including leading zeros.
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0
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1, 102, 10203, 1020304, 102030405, 10203040506, 1020304050607, 102030405060708, 10203040506070809, 1020304050607080910, 102030405060708091011, 10203040506070809101112, 1020304050607080910111213, 102030405060708091011121314
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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FORMULA
| a(n+1) = 100*a(n)+n+1 for n<100.
a(n)=-(199/9801)-(1/99)*n+(10000/9801)*100^n, with n>=0 [From Paolo P. Lava (paoloplava(AT)gmail.com), Oct 09 2008]
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CROSSREFS
| Sequence in context: A206651 A163435 A203401 * A097725 A129751 A094095
Adjacent sequences: A030509 A030510 A030511 * A030513 A030514 A030515
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KEYWORD
| nonn,fini,base
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AUTHOR
| Ralf W. Stephan (stephan(AT)tmt.de)
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EXTENSIONS
| Edited by Charles R Greathouse IV (charles.greathouse(AT)case.edu), Apr 28 2010
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