id:A026570 - OEIS Search Results

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a(n)=T(n,n-1), T given by A026568. Also a(n) = number of integer strings s(0),...,s(n) counted by T such that s(n)=1.

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1, 1, 4, 7, 20, 43, 111, 259, 648, 1565, 3885, 9533, 23662, 58547, 145630, 362151, 903110, 2253615, 5633359, 14094035, 35304658, 88511733, 222115782, 557819793, 1401987930, 3526066273, 8874034647, 22346581133, 56304982154 (list; graph; listen)

	OFFSET	`1,3`
	COMMENT	`Also a(n)=T'(n,n-1), T' given by A026584. Also a(n) = number of integer strings s(0),...,s(n) counted by T' such that s(n)=1.`
	CROSSREFS	`Sequence in context: A147065 A049947 A066345 this_sequence A111955 A039959 A010363` `Adjacent sequences: A026567 A026568 A026569 this_sequence A026571 A026572 A026573`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.

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