id:A030512 - OEIS Search Results

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Concatenation of first n 2-digit positive integers including leading zeros.

+0
1

1, 102, 10203, 1020304, 102030405, 10203040506, 1020304050607, 102030405060708, 10203040506070809, 1020304050607080910, 102030405060708091011, 10203040506070809101112, 1020304050607080910111213, 102030405060708091011121314 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`a(n+1) = 100a(n)+n+1 for n<100.` `a(n)=-(199/9801)-(1/99)n+(10000/9801)*100^n, with n>=0 [From Paolo P. Lava (ppl(AT)spl.at), Oct 09 2008]`
	CROSSREFS	`Sequence in context: A151964 A088805 A163435 this_sequence A097725 A129751 A094095` `Adjacent sequences: A030509 A030510 A030511 this_sequence A030513 A030514 A030515`
	KEYWORD	`nonn,fini`
	AUTHOR	`Ralf W. Stephan (stephan(AT)tmt.de)`

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Last modified December 20 16:54 EST 2009. Contains 171081 sequences.

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