id:A026554 - OEIS Search Results

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a(n)=T(n,n-1), T given by A026552. Also a(n) = number of integer strings s(0),...,s(n) counted by T, such that s(n)=1.

+0
2

1, 2, 4, 10, 19, 52, 98, 278, 526, 1516, 2887, 8389, 16073, 46936, 90386, 264842, 512128, 1504432, 2918954, 8592094, 16716998, 49288856, 96119927, 283795571, 554524660, 1639174304, 3208254571, 9493241125, 18607536319, 55108565584 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Equals A026520(n+1)/2.` `Sequence in context: A043330 A011963 A083844 this_sequence A099413 A127392 A004647` `Adjacent sequences: A026551 A026552 A026553 this_sequence A026555 A026556 A026557`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.

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