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!)
A159219 Number of n X n arrays of squares of integers with every 2X2 subblock summing to 18 0
30, 78, 166, 342, 678, 1350, 2662, 5286, 10470, 20838, 41446, 82662, 164838, 329190, 657382, 1313766, 2625510, 5248998, 10493926, 20983782, 41959398, 83910630, 167804902, 335593446, 671154150, 1342275558 (list; graph; refs; listen; history; text; internal format)
OFFSET
2,1
LINKS
CROSSREFS
Sequence in context: A039517 A185479 A045560 * A098998 A044168 A044549
KEYWORD
nonn
AUTHOR
R. H. Hardin Apr 06 2009
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 March 29 06:57 EDT 2024. Contains 371265 sequences. (Running on oeis4.)