Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A091986
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A091986 a(0)=1, a(n) = sigma_3(2n). +0
4
1, 9, 73, 252, 585, 1134, 2044, 3096, 4681, 6813, 9198, 11988, 16380, 19782, 25112, 31752, 37449, 44226, 55261, 61740, 73710, 86688, 97236, 109512, 131068, 141759, 160454, 183960, 201240, 219510, 257544, 268128, 299593, 335664, 358722, 390096, 442845 (list; graph; listen)
OFFSET

0,2

CROSSREFS

Bisection of A001158. Cf. A045823.

Sequence in context: A133672 A043079 A099973 this_sequence A096129 A143571 A079927

Adjacent sequences: A091983 A091984 A091985 this_sequence A091987 A091988 A091989

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Mar 20 2004

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 December 9 18:50 EST 2009. Contains 170568 sequences.


AT&T Labs Research