id:A071961 - OEIS Search Results

Search: id:A071961

Displaying 1-1 of 1 results found.

page 1

A071961

Sum( i=1, n, K(n,i) ) where K(x,y) is the Kronecker symbol (x/y).

+0
1

1, 1, 0, 2, 0, 2, 4, 0, 6, 2, 2, 0, 0, 4, 6, 8, 0, 0, 2, 0, 0, 2, 6, 0, 20, 6, 0, 0, 0, 4, 12, 0, 0, 4, 4, 12, 0, 6, 12, 0, 0, 4, 0, 0, 0, 4, 10, 0, 42, 2, 4, 0, 0, 2, 18, 0, 0, 2, 6, 0, 0, 8, 2, 32, 0, 8, -2, 0, 0, 4, 14, 0, 0, 10, 4, 0, 0, 4, 22, 0, 54, 4, 4, 0, 0, 10, 14, 0, 0, 4, 2, 0, 0, 8, 14, 0, 0, 2, -2, 40, 0, 4, 22, 0, 0, 6, 4, 0, 0, 12, 22, 0, 0, 8, -2 (list; graph; listen)

	OFFSET	`1,4`
	PROGRAM	`(PARI) for(n=1, 100, print1(sum(i=1, n, kronecker(n, i)), ", "))`
	CROSSREFS	`Sequence in context: A131186 A137312 A137320 this_sequence A120557 A092594 A092741` `Adjacent sequences: A071958 A071959 A071960 this_sequence A071962 A071963 A071964`
	KEYWORD	`easy,sign`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Jun 16 2002`

page 1

Search completed in 0.002 seconds

Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

AT&T Labs Research