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A204960 Number of (n+1)X7 0..1 arrays with rows and columns of permanents of all 2X2 subblocks lexicographically nondecreasing 1
3490, 147434, 5988660, 252709954, 11028008070, 470866502871, 19640644500055, 782197120564655, 29737199993040758, 1074526840455309433, 37006727830589345931, 1216701745652345574008, 38327778555441898854202 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A204962

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Sequence in context: A268156 A180994 A204721 * A249525 A252049 A108117

Adjacent sequences: A204957 A204958 A204959 * A204961 A204962 A204963

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 20 2012

STATUS

approved

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Last modified December 1 05:02 EST 2022. Contains 358454 sequences. (Running on oeis4.)