id:A026622 - OEIS Search Results

Search: id:A026622

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T(n,0) + T(n,1) + ... + T(n,n), T given by A026615.

+0
3

1, 2, 5, 12, 26, 54, 110, 222, 446, 894, 1790, 3582, 7166, 14334, 28670, 57342, 114686, 229374, 458750, 917502, 1835006, 3670014, 7340030, 14680062, 29360126, 58720254, 117440510, 234881022, 469762046, 939524094, 1879048190 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`7 * 2^(n-2) - 2, a(0) = 1, a(1) = 2 (conjectured). Cf. A026624. - Ralf Stephan, Feb 05 2004`
	CROSSREFS	`Sequence in context: A027927 A116717 A116725 this_sequence A026688 A116726 A125180` `Adjacent sequences: A026619 A026620 A026621 this_sequence A026623 A026624 A026625`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

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