id:A056228 - OEIS Search Results

Search: id:A056228

Displaying 1-1 of 1 results found.

page 1

Image of Euler totient function (A00010) under "little Hankel" transform that sends [c_0, c_1, ...] to [d_0, d_1, ...] where d_n = c_n^2 - c_{n+1}*c_{n-1}.

+0
1

-1, 2, -4, 12, -20, 28, -20, 20, -44, 84, -104, 120, -60, 16, -64, 208, -252, 276, -152, 64, -164, 404, -376, 304, -216, 180, -360, 688, -776, 772, -344, 144, -224, 384, -720, 1080, -540, 288, -704, 1408, -1536, 1524, -608, 136, -620, 1764, -1676, 1444, -944, 544 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Sequence in context: A024872 A129021 A090922 this_sequence A121569 A099603 A062767` `Adjacent sequences: A056225 A056226 A056227 this_sequence A056229 A056230 A056231`
	KEYWORD	`sign`
	AUTHOR	`njas, Aug 06 2000`

page 1

Search completed in 0.002 seconds

Last modified November 21 14:49 EST 2008. Contains 150807 sequences.

AT&T Labs Research