id:A094622 - OEIS Search Results

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Sequence whose n-th term digits sum to 2n.

+0
3

0, 11, 31, 141, 341, 1441, 3441, 14441, 34441, 144441, 344441, 1444441, 3444441, 14444441, 34444441, 144444441, 344444441, 1444444441, 3444444441, 14444444441, 34444444441, 144444444441, 344444444441, 1444444444441 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`n-th term digits are reversals of A094621(n).`
	FORMULA	`G.f. : x(11+20x)/((1-x)(1-10x^2)); a(n)=(10^(n/2)(31+13sqrt(10)+(31-13sqrt(10))(-1)^n)/2-31)/9.`
	CROSSREFS	`Cf. A094620, A094621.` `Sequence in context: A152220 A082712 A049090 this_sequence A001604 A144727 A002535` `Adjacent sequences: A094619 A094620 A094621 this_sequence A094623 A094624 A094625`
	KEYWORD	`easy,nonn,base`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), May 15 2004`

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Last modified December 21 10:15 EST 2009. Contains 171081 sequences.

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