login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A172587 Number of 5*n X n 0..1 arrays with row sums 3 and column sums 15 1
0, 0, 1, 11732745024, 9647422924194982967040, 104923772318750486122754981962387200, 11251027489082268563385494644966780470231583948800 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

LINKS

R. H. Hardin, Table of n, a(n) for n=1..13

CROSSREFS

Sequence in context: A247312 A204780 A333131 * A172581 A213534 A202361

Adjacent sequences:  A172584 A172585 A172586 * A172588 A172589 A172590

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 | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 18 03:25 EDT 2021. Contains 348065 sequences. (Running on oeis4.)