id:A094624 - OEIS Search Results

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Sequence whose n-th term digits sum to n.

+0
4

0, 1, 11, 12, 121, 122, 1221, 1222, 12221, 12222, 122221, 122222, 1222221, 1222222, 12222221, 12222222, 122222221, 122222222, 1222222221, 1222222222, 12222222221, 12222222222, 122222222221, 122222222222, 1222222222221 (list; graph; listen)

	OFFSET	`0,3`
	COMMENT	`n-th term digits are reversals of A094623(n).`
	FORMULA	`a(n)=10^(n/2)(11/18+11sqrt(10)/180-(11sqrt(10)/180-11/18)(-1)^n)-13/18-(-1)^n/2`
	CROSSREFS	`Cf. A094625, A094626.` `Sequence in context: A110380 A164854 A033047 this_sequence A108218 A038326 A041059` `Adjacent sequences: A094621 A094622 A094623 this_sequence A094625 A094626 A094627`
	KEYWORD	`easy,nonn,base`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), May 15 2004`

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

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