A198797 - OEIS

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A198797

4*6^n-1.

3, 23, 143, 863, 5183, 31103, 186623, 1119743, 6718463, 40310783, 241864703, 1451188223, 8707129343, 52242776063, 313456656383, 1880739938303, 11284439629823, 67706637778943, 406239826673663, 2437438960041983, 14624633760251903 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`0,1`
	LINKS	`Vincenzo Librandi, Table of n, a(n) for n = 0..1000` `Index to sequences with linear recurrences with constant coefficients, signature (7,-6).`
	FORMULA	`a(n) = 6a(n-1)+5. a(n) = 7a(n-1)-6a(n-2), n>1.` `G.f. ( 3+2x ) / ( (6x-1)(x-1) ). - R. J. Mathar, Oct 30 2011`
	PROG	`(MAGMA) [4*6^n-1: n in [0..30]]`
	CROSSREFS	`Sequence in context: A081413 A179328 A089950 * A057835 A079755 A197176` `Adjacent sequences: A198794 A198795 A198796 * A198798 A198799 A198800`
	KEYWORD	`nonn,easy`
	AUTHOR	`Vincenzo Librandi, Oct 30 2011`
	STATUS	`approved`

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Last modified May 22 19:51 EDT 2013. Contains 225568 sequences.