Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A131476
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A131476 a(n)=floor(n^3/3). +0
1
0, 0, 2, 9, 21, 41, 72, 114, 170, 243, 333, 443, 576, 732, 914, 1125, 1365, 1637, 1944, 2286, 2666, 3087, 3549, 4055, 4608, 5208, 5858, 6561, 7317, 8129, 9000, 9930, 10922, 11979, 13101, 14291, 15552, 16884, 18290, 19773, 21333, 22973 (list; graph; listen)
OFFSET

0,3

FORMULA

G.f.: x^2*(2+3x+x^3)/((1-x)^4*(1+x+x^2)). a(n)=(A057078(n)-A024001(n))/3. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Dec 19 2008]

CROSSREFS

Cf. A000982; A008619; A004526; A007590; A036487.

Sequence in context: A002888 A041963 A005476 this_sequence A023549 A024850 A056105

Adjacent sequences: A131473 A131474 A131475 this_sequence A131477 A131478 A131479

KEYWORD

nonn

AUTHOR

Mohammad K. Azarian (azarian(AT)evansville.edu), Jul 27 2007

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 25 20:09 EST 2009. Contains 167514 sequences.


AT&T Labs Research