login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A096273 a(0)=0, then a(n)=a(n-1)+(n-1) if n is odd, a(n)=a(n/2)+n/2 otherwise. 1
0, 0, 1, 3, 3, 7, 6, 12, 7, 15, 12, 22, 12, 24, 19, 33, 15, 31, 24, 42, 22, 42, 33, 55, 24, 48, 37, 63, 33, 61, 48, 78, 31, 63, 48, 82, 42, 78, 61, 99, 42, 82, 63, 105, 55, 99, 78, 124, 48, 96, 73, 123, 63, 115, 90, 144, 61, 117, 90, 148, 78, 138, 109, 171, 63, 127, 96, 162, 82 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

LINKS

Table of n, a(n) for n=0..68.

FORMULA

a(n) mod 2 = A095190(n); a(2n) mod 2= a(2n+1) mod 2 = A010060(n); a(3n)=0 mod 3

PROG

(PARI) a(n)=if(n<1, 0, if(n%2, a(n-1)+n-1, a(n/2)+(n/2)))

CROSSREFS

Sequence in context: A222405 A146970 A078708 * A069981 A000199 A243099

Adjacent sequences:  A096270 A096271 A096272 * A096274 A096275 A096276

KEYWORD

nonn

AUTHOR

Benoit Cloitre, Jun 23 2004

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified November 17 08:39 EST 2019. Contains 329217 sequences. (Running on oeis4.)