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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A225027 T(n,k) is the number of (n+1) X (k+1) 0..2 matrices with each 2 X 2 permanent equal. 9
 81, 253, 253, 759, 1935, 759, 2653, 12641, 12641, 2653, 9273, 113261, 117959, 113261, 9273, 34545, 979821, 1930229, 1930229, 979821, 34545, 130067, 9045373, 23865033, 68599847, 23865033, 9045373, 130067, 502563, 82894903, 356942157, 1695172731 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Table starts ......81.........253............759..............2653.................9273 .....253........1935..........12641............113261...............979821 .....759.......12641.........117959...........1930229.............23865033 ....2653......113261........1930229..........68599847...........1695172731 ....9273......979821.......23865033........1695172731..........61256508583 ...34545.....9045373......356942157.......52562324371........3420719145421 ..130067....82894903.....4807268289.....1457105103421......144661440731701 ..502563...768456167....69047521033....43215008345605.....7310039035972089 .1957855..7112825923...955759546369..1240053913896303...329657881472577779 .7707477.65968698193.13524243825173.36294561965670221.15990423886532132411 LINKS R. H. Hardin, Table of n, a(n) for n = 1..264 FORMULA Empirical: linear recurrences for columns k=1..4 are of order 12,30,36,87. EXAMPLE Some solutions for n=2 k=4 ..2..2..1..0..2....2..0..2..0..2....0..2..0..0..0....1..1..0..2..2 ..0..0..0..0..2....2..0..2..0..2....0..2..0..0..1....0..0..0..0..0 ..2..0..2..0..1....1..0..0..0..2....0..0..0..0..0....1..2..0..2..1 CROSSREFS Sequence in context: A237160 A236886 A206142 * A225020 A219131 A236789 Adjacent sequences: A225024 A225025 A225026 * A225028 A225029 A225030 KEYWORD nonn,tabl AUTHOR R. H. Hardin, Apr 24 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 | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified March 4 10:03 EST 2024. Contains 370528 sequences. (Running on oeis4.)