id:A073156 - OEIS Search Results

Search: id:A073156

Displaying 1-1 of 1 results found.

page 1

Main diagonal sequence of triangle A073153.

+0
5

1, 2, 9, 36, 156, 698, 3210, 15080, 72060, 349184, 1711869, 8475494, 42318018, 212843826, 1077391794, 5484472880, 28058940086, 144195777552, 744017466318, 3852968380624, 20019113126120, 104329129258596, 545214946753377 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`Convolution of sequence A073155: a(n)=sum{k=0..n} A073155(k)* A073155(n-k).` `G.f.: 1/4(1-(1-4x*(1+x)^2)^(1/2))^2/x^2/(1+x)^4. - Vladeta Jovovic (vladeta(AT)Eunet.yu), Oct 10 2003`
	CROSSREFS	`Cf. A073153, A073155, A073157.` `Adjacent sequences: A073153 A073154 A073155 this_sequence A073157 A073158 A073159` `Sequence in context: A121769 A006782 A150968 this_sequence A150969 A150970 A150971`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul D. Hanna (pauldhanna(AT)juno.com), Jul 29 2002`
	EXTENSIONS	`More terms from Vladeta Jovovic (vladeta(AT)Eunet.yu), Oct 10 2003`

page 1

Search completed in 0.002 seconds

Last modified November 21 00:02 EST 2008. Contains 150810 sequences.

AT&T Labs Research