Search: id:A071413 Results 1-1 of 1 results found. %I A071413 %S A071413 0,1,1,4,5,4,2,11,13,4,6,15,14,11,3,26,29,4,14,23,26,15,7,38,38,11,15, %T A071413 38,31,26,4,57,61,4,30,39,50,23,15,62,66,15,27,58,51,38,8,85,86,11,39, %U A071413 62,67,38,16,93,87,26,32,85,64,57,5 %V A071413 0,-1,1,-4,5,-4,2,-11,13,-4,6,-15,14,-11,3,-26,29,-4,14,-23,26,-15,7,-38, 38,-11,15, %W A071413 -38,31,-26,4,-57,61,-4,30,-39,50,-23,15,-62,66,-15,27,-58,51,-38,8,-85, 86,-11,39,-62, %X A071413 67,-38,16,-93,87,-26,32,-85,64,-57,5 %N A071413 a(n) = if n=0 then 0 else a(floor(n/2))+n*(-1)^(n mod 2). %H A071413 R. Stephan, Some divide-and-conquer sequences ... %H A071413 R. Stephan, Table of generating functions %Y A071413 Cf. A005187. %Y A071413 Sequence in context: A092141 A120867 A011427 this_sequence A161811 A016717 A031349 %Y A071413 Adjacent sequences: A071410 A071411 A071412 this_sequence A071414 A071415 A071416 %K A071413 sign %O A071413 0,4 %A A071413 Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jun 24 200o Search completed in 0.001 seconds