id:A101679 - OEIS Search Results

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A bisection of A101678.

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1, 9, 89, 991, 9909, 88991, 899911, 9999009, 99990089, 899910991, 8899099911, 99089999009, 990999990091, 8899999911009, 89999999100089, 999999990000991, 9999999900009909, 89999999100088991, 889999991100899911 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n)=sum{k=0..n, (-1)^A010060(2n-2k)*mod(binomial(2n-k, k), 2)10^k}.`
	CROSSREFS	`Sequence in context: A082147 A095722 A069573 this_sequence A075507 A094935 A078248` `Adjacent sequences: A101676 A101677 A101678 this_sequence A101680 A101681 A101682`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Dec 11 2004`

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Last modified November 30 22:12 EST 2008. Contains 150989 sequences.

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