login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A172642 Number of n X 4 0..2 arrays with row sums 4 and column sums n 2
1, 19, 175, 2371, 32611, 481381, 7343449, 115321795, 1849858771, 30189264889, 499616140189, 8365213132981, 141444270208645, 2411829493241299, 41425627536496495, 716068213864217155, 12447291755448613315 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
CROSSREFS
Sequence in context: A060222 A041690 A217698 * A133740 A125382 A126540
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 06 2010
STATUS
approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 25 11:39 EDT 2024. Contains 371969 sequences. (Running on oeis4.)