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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A233635 T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 6 9
 100, 716, 716, 4974, 10544, 4974, 34996, 150054, 150054, 34996, 245244, 2172148, 4350820, 2172148, 245244, 1721166, 31361288, 130732438, 130732438, 31361288, 1721166, 12073496, 453376730, 3912088926, 8271515976, 3912088926, 453376730 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Table starts ......100.........716............4974..............34996................245244 ......716.......10544..........150054............2172148..............31361288 .....4974......150054.........4350820..........130732438............3912088926 ....34996.....2172148.......130732438.........8271515976..........523893377896 ...245244....31361288......3912088926.......523893377896........70397790661236 ..1721166...453376730....117571581104.....33375589770090......9557844830798770 .12073496..6552999568...3530630987208...2127910272105792...1299207938978711788 .84707304.94726474064.106103463522318.135782900234876140.176985122261187048412 LINKS R. H. Hardin, Table of n, a(n) for n = 1..144 FORMULA Empirical for column k: k=1: a(n) = 5*a(n-1) +19*a(n-2) -27*a(n-3) -55*a(n-4) +37*a(n-5) k=2: [order 19] k=3: [order 63] EXAMPLE Some solutions for n=2 k=4 ..0..3..1..3..3....0..0..0..3..0....0..3..0..1..3....3..3..3..3..3 ..0..3..0..1..0....0..3..0..3..1....0..3..2..0..3....0..3..0..0..0 ..0..1..0..3..0....0..3..1..1..2....0..1..3..3..3....0..1..0..3..1 CROSSREFS Sequence in context: A235856 A235850 A264539 * A233628 A030024 A232657 Adjacent sequences:  A233632 A233633 A233634 * A233636 A233637 A233638 KEYWORD nonn,tabl AUTHOR R. H. Hardin, Dec 14 2013 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.

Last modified September 27 15:44 EDT 2021. Contains 347691 sequences. (Running on oeis4.)