id:A145829 - OEIS Search Results

Search: id:A145829

Displaying 1-1 of 1 results found.

page 1

Square root of squares in A145768 (XOR of squares of the numbers 1...n).

+0
5

1, 4, 1, 15, 0, 16, 20, 31, 16, 49, 65, 224, 96, 96, 337, 144, 720, 400, 945, 625, 928, 828, 367, 928, 1889, 624, 2609, 3568, 3568, 2064, 10273, 1040, 545, 12384, 12639, 56800, 25812, 15119, 36, 864, 144383, 146463, 195440, 61391, 61072, 61072, 58128, 25872 (list; graph; listen)

	OFFSET	`1,2`
	PROGRAM	`(PARI) an=0; for( i=1, 10^4, an=bitxor(an, i^2); issquare(an) & print1(sqrtint(an)", "))`
	CROSSREFS	`a(n) = A000196( A145828(n)) = A000196( A145768( A145827(n))); A145828 = { a(n)^2 } = A145768 intersect A000290.` `Sequence in context: A051928 A050156 A096644 this_sequence A016115 A164794 A107873` `Adjacent sequences: A145826 A145827 A145828 this_sequence A145830 A145831 A145832`
	KEYWORD	`easy,nice,nonn`
	AUTHOR	`M. F. Hasler (MHasler(AT)univ-ag.fr), Oct 20 2008`

page 1

Search completed in 0.002 seconds

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

AT&T Labs Research