This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A257207 Number of (n+2)X(6+2) 0..1 arrays with every 3X3 subblock sum of the two sums of the diagonal and antidiagonal minus the two minimums of the central column and central row nondecreasing horizontally and vertically 1
 219706, 443711, 411303, 753005, 640929, 516615, 675943, 769789, 876597, 1089188, 1305183, 1551382, 1851722, 2195415, 2590158, 3029318, 3516086, 4063777, 4672716, 5347330, 6075568, 6871137, 7747708, 8708189, 9740806, 10853545, 12070515 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 6 of A257209 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 EXAMPLE Some solutions for n=1 ..0..0..0..0..1..1..1..0....0..1..0..0..1..1..0..0....0..0..0..1..1..1..0..1 ..0..0..1..0..0..1..1..1....1..1..1..0..1..1..1..1....0..0..0..0..0..1..1..0 ..0..0..1..0..0..1..0..0....0..0..1..0..1..1..1..1....1..1..0..0..1..0..0..1 CROSSREFS Cf. A257209 Sequence in context: A258678 A254912 A254905 * A204968 A294014 A234489 Adjacent sequences:  A257204 A257205 A257206 * A257208 A257209 A257210 KEYWORD nonn AUTHOR R. H. Hardin, Apr 18 2015 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified September 19 23:59 EDT 2019. Contains 327207 sequences. (Running on oeis4.)