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A185497 T(n,k)=Number of (n+1)X(k+1) binary arrays with every 2X2 subblock sum equal to some horizontal or vertical neighbor 2X2 subblock sum 10
0, 24, 24, 36, 128, 36, 160, 708, 708, 160, 380, 3792, 5936, 3792, 380, 1332, 20872, 59384, 59384, 20872, 1332, 3616, 114724, 559188, 1020072, 559188, 114724, 3616, 11828, 631720, 5442964, 17217132, 17217132, 5442964, 631720, 11828, 33764 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Table starts
......0........24..........36...........160............380...........1332
.....24.......128.........708..........3792..........20872.........114724
.....36.......708........5936.........59384.........559188........5442964
....160......3792.......59384.......1020072.......17217132......294899588
....380.....20872......559188......17217132......512228678....15557758676
...1332....114724.....5442964.....294899588....15557758676...835833221744
...3616....631720....52129536....5020204316...468319269164.44566790792864
..11828...3480976...504455124...85864759616.14183811777874
..33764..19187324..4854725100.1465390598424
.107240.105781152.46887124724
LINKS
EXAMPLE
Some solutions for 5X4
..0..1..1..0....1..1..0..1....0..1..0..1....1..1..1..0....1..1..1..1
..0..0..1..1....1..1..0..1....1..1..1..0....1..1..1..0....0..1..1..1
..1..0..0..1....1..1..1..0....1..0..1..0....0..1..0..1....1..1..1..1
..0..1..1..1....1..0..1..1....0..1..0..1....1..0..0..1....0..0..1..0
..1..0..0..1....0..1..0..1....0..0..0..0....0..1..0..1....1..1..0..1
CROSSREFS
Sequence in context: A115028 A099543 A188311 * A186939 A185750 A040553
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Jan 29 2011
STATUS
approved

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Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)