id:A084182 - OEIS Search Results

Search: id:A084182

Displaying 1-1 of 1 results found.

page 1

3^n+(-1)^n-[1/(n+1)], where [] represents the floor function.

+0
3

1, 2, 10, 26, 82, 242, 730, 2186, 6562, 19682, 59050, 177146, 531442, 1594322, 4782970, 14348906, 43046722, 129140162, 387420490, 1162261466, 3486784402, 10460353202, 31381059610, 94143178826, 282429536482, 847288609442 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`Binomial transform of A084181. a(n)/2=A046717(n), n>0.`
	FORMULA	`a(n)=3^n+(-1)^n-0^n; G.f.: (1+3x^2)/((1+x)(1-3x)); E.g.f. : exp(3x)-exp(0)+exp(-x);`
	CROSSREFS	`Except for leading term, same as A102345.` `Adjacent sequences: A084179 A084180 A084181 this_sequence A084183 A084184 A084185` `Sequence in context: A131130 A099969 A025589 this_sequence A099583 A133479 A057753`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), May 19 2003`

page 1

Search completed in 0.003 seconds

Last modified October 10 20:39 EDT 2008. Contains 144831 sequences.

AT&T Labs Research