id:A145923 - OEIS Search Results

Search: id:A145923

Displaying 1-1 of 1 results found.

page 1

Second bisection of A061041: A061041(2n+1). a(n)=(2n+1)*(2n+9)=A005408(n)*A005408(n+4). a(n)=a(n-1)+8*(n+2)=a(n-1)+8n+16.

+0
2

9, 33, 65, 105, 153, 209, 273, 345, 425, 513, 609, 713, 825, 945, 1073, 1209, 1353, 1505, 1665, 1833, 2009, 2193, 2385, 2585, 2793, 3009 (list; graph; listen)

	OFFSET	`0,1`
	COMMENT	`From Brackett spectrum of hydrogen.`
	FORMULA	`a(n)=9+4n^2+20n, with n>=0 [From Paolo P. Lava (ppl(AT)spl.at), Oct 28 2008]`
	CROSSREFS	`Sequence in context: A161430 A046895 A165392 this_sequence A092562 A103602 A081585` `Adjacent sequences: A145920 A145921 A145922 this_sequence A145924 A145925 A145926`
	KEYWORD	`nonn`
	AUTHOR	`Paul Curtz (bpcrtz(AT)free.fr), Oct 25 2008`

page 1

Search completed in 0.002 seconds

Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

AT&T Labs Research