Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A078198
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A078198 Number of even terms minus number of odd terms in A081235. +0
1
1, 0, 1, 2, 3, 2, 3, 4, 5, 6, 7, 8, 9, 10, 9, 10, 11, 12, 13, 14, 15, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 34, 35, 36, 37, 36, 37, 38, 39, 40, 41, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60 (list; graph; listen)
OFFSET

1,4

COMMENT

Conjecture : a(n)>0 and more precisely : a(n)/sqrt(n) -> + infinity

FORMULA

Let e(n)=card( 1<=k<=n, A081235(k) is even) and o(n)=card( 1<=k<=n, A081235(k) is odd) then a(n)=e(n)-o(n)

CROSSREFS

Sequence in context: A134986 A162751 A026342 this_sequence A098235 A114868 A138239

Adjacent sequences: A078195 A078196 A078197 this_sequence A078199 A078200 A078201

KEYWORD

nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Apr 19 2003

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified November 27 14:50 EST 2009. Contains 167570 sequences.


AT&T Labs Research