id:A059673 - OEIS Search Results

Search: id:A059673

Displaying 1-1 of 1 results found.

page 1

Sum of binary numbers with n 1's and one (non-leading) 0.

+0
3

0, 2, 11, 38, 109, 284, 699, 1658, 3833, 8696, 19447, 42998, 94197, 204788, 442355, 950258, 2031601, 4325360, 9175023, 19398638, 40894445, 85983212, 180355051, 377487338, 788529129, 1644167144, 3422552039, 7113539558, 14763950053 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n) =(2n-1)*2^n+1-n.`
	EXAMPLE	`a(4)=109 since the binary sum 11110+11101+11011+10111 is 30+29+27+23`
	CROSSREFS	`Sequence in context: A038607 A079009 A097651 this_sequence A000175 A125064 A055329` `Adjacent sequences: A059670 A059671 A059672 this_sequence A059674 A059675 A059676`
	KEYWORD	`easy,nonn`
	AUTHOR	`Henry Bottomley (se16(AT)btinternet.com), Feb 05 2001`

page 1

Search completed in 0.002 seconds

Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

AT&T Labs Research