id:A020963 - OEIS Search Results

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A020963

Sum of Floor[ 2*(1+sqrt(2))^(n-k) ] for k from 1 to infinity.

+0
1

2, 6, 17, 45, 112, 276, 671, 1627, 3934, 9506, 22958, 55434, 133838, 323122, 780094, 1883322, 4546750, 10976835, 26500434, 63977718, 154455894, 372889542, 900234982, 2173359590, 5246954214, 12667267814 (list; graph; listen)

	OFFSET	`1,1`
	REFERENCES	`C. Kimberling, Problem 10520 in Amer. Math. Mon. 103 (1996) p. 347.`
	CROSSREFS	`Sequence in context: A019439 A018024 A000996 this_sequence A065068 A109961 A005592` `Adjacent sequences: A020960 A020961 A020962 this_sequence A020964 A020965 A020966`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`
	EXTENSIONS	`Revised Feb 03 1999.`

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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.

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