A049671 - OEIS

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A049671

a(n)=(F(n)+F(4n))/2, where F=A000045 (the Fibonacci sequence).

0, 2, 11, 73, 495, 3385, 23188, 158912, 1089165, 7465193, 51167105, 350704411, 2403763560, 16475640166, 112925717047, 774004378265, 5305104929355, 36361730124869, 249227005940924, 1708227311455444 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	CROSSREFS	`Sequence in context: A047776 A186633 A154887 * A074609 A199417 A114179` `Adjacent sequences: A049668 A049669 A049670 * A049672 A049673 A049674`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified February 17 16:49 EST 2012. Contains 206058 sequences.