id:A094625 - OEIS Search Results

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Palindromic sequence whose n-th term digits sum to 2n.

+0
3

0, 2, 22, 33, 242, 343, 2442, 3443, 24442, 34443, 244442, 344443, 2444442, 3444443, 24444442, 34444443, 244444442, 344444443, 2444444442, 3444444443, 24444444442, 34444444443, 244444444442, 344444444443, 2444444444442 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n)=10^(n/2)(31sqrt(10)/180+11/9-(31sqrt(10)/180-11/9)(-1)^n)-(-1)^n/2-35/18; a(n)=A094623(n)+A094624(n).`
	CROSSREFS	`Sequence in context: A085185 A166726 A156441 this_sequence A130751 A126913 A019593` `Adjacent sequences: A094622 A094623 A094624 this_sequence A094626 A094627 A094628`
	KEYWORD	`easy,nonn,base`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), May 15 2004`

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Last modified December 13 23:45 EST 2009. Contains 170824 sequences.

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