id:A102484 - OEIS Search Results

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Numbers of the form 9nn9, where n is an integer >=0.

+0
4

9009, 9119, 9229, 9339, 9449, 9559, 9669, 9779, 9889, 9999, 910109, 911119, 912129, 913139, 914149, 915159, 916169, 917179, 918189, 919199, 920209, 921219, 922229, 923239, 924249, 925259, 926269, 927279, 928289, 929299, 930309 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`For n=0 we concatenate 3, 0, 0 and 3 to get 3003.` `For n=10 we concatenate 3, 10, 10 and 3 to get 310103.`
	CROSSREFS	`Cf. A100846 for 1nn1; A100896 for 3nn3; A100897 for 7nn7.` `Sequence in context: A034589 A144126 A106770 this_sequence A031683 A031593 A031773` `Adjacent sequences: A102481 A102482 A102483 this_sequence A102485 A102486 A102487`
	KEYWORD	`easy,nonn,base`
	AUTHOR	`Mark Hudson (mrmarkhudson(AT)hotmail.com), Jan 12 2005`

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Last modified December 20 00:58 EST 2009. Contains 171054 sequences.

AT&T Labs Research