id:A091052 - OEIS Search Results

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Record values in A091023.

+0
3

1, 2, 13, 26, 205, 410, 3277, 6554, 52429, 104858, 838861, 1677722, 13421773, 26843546, 214748365, 429496730, 3435973837, 6871947674, 54975581389, 109951162778, 879609302221, 1759218604442, 14073748835533, 28147497671066 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`Add 1 to every term of A077854, then take the terms with indices 4k and 4k+3.` `(1/20) [34^n - (-4)^n + 2(-1)^n + 6]. - R. Stephan, Dec 02 2004`
	CROSSREFS	`Cf. A091023, A091053.` `Adjacent sequences: A091049 A091050 A091051 this_sequence A091053 A091054 A091055` `Sequence in context: A018745 A117983 A018400 this_sequence A031090 A041017 A033837`
	KEYWORD	`nonn,easy`
	AUTHOR	`njas, Feb 23 2004`
	EXTENSIONS	`More terms from David Wasserman (wasserma(AT)spawar.navy.mil), Feb 23 2006`

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Last modified October 13 09:05 EDT 2008. Contains 145008 sequences.

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