id:A090771 - OEIS Search Results

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Numbers that are congruent to {1, 9} mod 10.

+0
2

1, 9, 11, 19, 21, 29, 31, 39, 41, 49, 51, 59, 61, 69, 71, 79, 81, 89, 91, 99, 101, 109, 111, 119, 121, 129, 131, 139, 141, 149, 151, 159, 161, 169, 171, 179, 181, 189, 191, 199, 201, 209, 211, 219, 221, 229, 231, 239, 241, 249, 251, 259, 261, 269, 271, 279, 281 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`Except for the first term, a(n)=10*n-a(n-1), (with a(1)=9) [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Oct 18 2009]`
	CROSSREFS	`Cf. A090298.` `Sequence in context: A111391 A077788 A137018 this_sequence A046259 A074345 A022323` `Adjacent sequences: A090768 A090769 A090770 this_sequence A090772 A090773 A090774`
	KEYWORD	`nonn`
	AUTHOR	`Giovanni Teofilatto (g.teofilatto(AT)tiscalinet.it), Feb 07 2004`
	EXTENSIONS	`Edited and extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Feb 10 2004`

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

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