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A204962 T(n,k) is the number of (n+1) X (k+1) 0..1 arrays with rows and columns of permanents of all 2 X 2 subblocks lexicographically nondecreasing. 8
16, 51, 51, 156, 277, 156, 450, 1436, 1436, 450, 1267, 6921, 12714, 6921, 1267, 3490, 32468, 103106, 103106, 32468, 3490, 9490, 147434, 807253, 1442543, 807253, 147434, 9490, 25545, 659392, 5988660, 19632936, 19632936, 5988660, 659392, 25545, 68286 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

....16......51.......156.........450..........1267............3490

....51.....277......1436........6921.........32468..........147434

...156....1436.....12714......103106........807253.........5988660

...450....6921....103106.....1442543......19632936.......252709954

..1267...32468....807253....19632936.....476276892.....11028008070

..3490..147434...5988660...252709954...11028008070....470866502871

..9490..659392..43018570..3129723425..246591161060..19640644500055

.25545.2907273.298869279.37097334426.5248210960544.782197120564655

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..112

EXAMPLE

Some solutions for n=4 k=3

..1..1..1..1....0..1..1..0....1..0..0..1....0..1..0..0....0..0..1..1

..1..1..1..1....1..1..0..1....1..0..0..1....0..0..0..0....0..0..0..1

..1..1..1..1....1..0..1..1....1..0..0..1....0..1..0..1....0..0..1..1

..1..1..1..1....0..1..1..1....1..0..1..0....0..1..1..0....1..0..0..1

..1..1..1..1....1..1..1..1....1..1..0..0....0..1..0..1....0..0..1..0

CROSSREFS

Column 1 is A204716.

Sequence in context: A121864 A221485 A204723 * A080860 A204716 A192248

Adjacent sequences: A204959 A204960 A204961 * A204963 A204964 A204965

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin, Jan 20 2012

STATUS

approved

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Last modified December 2 15:00 EST 2022. Contains 358510 sequences. (Running on oeis4.)