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A259005 Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the central row and column plus the two sums of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1
914320, 701282, 2005182, 1284465, 431280, 390714, 73734, 61001, 59336, 60827, 60804, 61979, 62070, 63065, 63258, 63274, 64258, 64949, 65852, 66119, 65838, 67774, 67880, 69079, 69174, 70169, 70362, 70378, 71362, 72053, 72956, 73223, 72942, 74878 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A259006
LINKS
FORMULA
Empirical: a(n) = a(n-1) +a(n-12) -a(n-13) for n>25
Empirical for n mod 12 = 0: a(n) = 592*n + 54871 for n>12
Empirical for n mod 12 = 1: a(n) = 592*n + 54374 for n>12
Empirical for n mod 12 = 2: a(n) = 592*n + 54777 for n>12
Empirical for n mod 12 = 3: a(n) = 592*n + 54378 for n>12
Empirical for n mod 12 = 4: a(n) = 592*n + 53802 for n>12
Empirical for n mod 12 = 5: a(n) = 592*n + 54194 for n>12
Empirical for n mod 12 = 6: a(n) = 592*n + 54293 for n>12
Empirical for n mod 12 = 7: a(n) = 592*n + 54604 for n>12
Empirical for n mod 12 = 8: a(n) = 592*n + 54279 for n>12
Empirical for n mod 12 = 9: a(n) = 592*n + 53406 for n>12
Empirical for n mod 12 = 10: a(n) = 592*n + 54750 for n>12
Empirical for n mod 12 = 11: a(n) = 592*n + 54264 for n>12
EXAMPLE
Some solutions for n=1
..0..0..0..0..0..1..0..1..1....0..0..0..0..1..0..1..1..1
..0..0..0..0..0..1..0..1..0....1..0..1..0..1..0..0..0..0
..1..1..0..0..1..1..0..0..1....1..1..1..0..1..1..1..1..0
CROSSREFS
Sequence in context: A253998 A258908 A259012 * A256903 A185532 A360907
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jun 16 2015
STATUS
approved

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Last modified April 12 20:38 EDT 2024. Contains 371639 sequences. (Running on oeis4.)