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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A167244 Number of ways to partition a 4*n X 3 grid into 4 connected equal-area regions 0
 23, 1038, 25663, 508866, 9030533 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Table of n, a(n) for n=1..5. EXAMPLE Some solutions for n=3 ...1.1.1...1.1.1...1.1.1...1.1.1...1.1.1...1.1.1...1.1.1...1.1.1...1.1.1 ...1.1.1...1.1.1...1.1.1...1.1.1...1.1.1...1.1.1...1.1.1...1.1.1...1.1.1 ...1.1.2...1.1.2...1.1.2...1.1.2...1.1.2...1.1.2...1.1.2...1.1.2...1.1.2 ...1.2.2...1.2.2...1.2.2...1.2.2...1.2.2...1.2.2...1.2.2...1.2.2...1.2.2 ...3.2.2...3.2.4...2.2.2...2.2.2...2.2.2...2.2.2...2.2.2...2.2.2...2.2.2 ...3.2.2...3.2.4...3.2.2...2.2.3...3.2.2...2.2.2...3.2.2...2.3.3...2.2.2 ...3.4.2...3.2.4...3.3.2...4.2.3...3.3.2...3.3.3...3.3.2...2.4.3...3.3.3 ...3.4.2...3.2.4...3.4.4...4.4.3...3.4.4...4.4.3...4.3.3...2.4.3...4.4.3 ...3.4.4...3.2.4...3.4.4...4.3.3...3.3.4...4.4.3...4.3.3...4.4.3...4.3.3 ...3.4.4...3.2.4...3.3.4...4.4.3...3.4.4...4.4.3...4.4.3...4.4.3...4.3.3 ...3.4.4...3.4.4...3.4.4...4.4.3...3.4.4...4.3.3...4.4.3...4.3.3...4.3.4 ...3.3.4...3.3.4...3.4.4...4.3.3...3.4.4...4.4.3...4.4.4...4.4.3...4.4.4 CROSSREFS Sequence in context: A232757 A139193 A077283 * A130551 A069479 A174748 Adjacent sequences: A167241 A167242 A167243 * A167245 A167246 A167247 KEYWORD nonn AUTHOR R. H. Hardin Oct 31 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.

Last modified March 1 20:05 EST 2024. Contains 370443 sequences. (Running on oeis4.)