A048772 - OEIS

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A048772

Partial sums of A048696.

1, 10, 29, 76, 189, 462, 1121, 2712, 6553, 15826, 38213, 92260, 222741, 537750, 1298249, 3134256, 7566769, 18267802, 44102381, 106472572, 257047533, 620567646, 1498182833 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	FORMULA	`a(n)=2*a(n-1)+a(n-2)+8; a(0)=1, a(1)=10.`
	EXAMPLE	`a(n)=[ {(9+5sqrt(2))(1+sqrt(2))^n - (9-5sqrt(2))(1-sqrt(2))^n}/2*sqrt(2) ]-4`
	CROSSREFS	`Cf. A001333, A000129, A048694, A048695, A)48696.` `Sequence in context: A068197 A079273 A048469 * A055850 A200185 A027979` `Adjacent sequences: A048769 A048770 A048771 * A048773 A048774 A048775`
	KEYWORD	`easy,nice,nonn`
	AUTHOR	`Barry E. Williams`

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Last modified February 17 00:09 EST 2012. Contains 205978 sequences.