The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A253660 Number of (n+1)X(6+1) 0..2 arrays with every 2X2 subblock diagonal maximum minus antidiagonal maximum unequal to its neighbors horizontally, vertically and nw-se diagonally 1
 1051870, 9172142, 152352910, 2149355346, 32368598122, 465528450816, 6834913762178, 97495218021062, 1406786178540610, 20243677829773786, 290143180462214182, 4146273714155749018, 59496804036220758330 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 6 of A253662 LINKS R. H. Hardin, Table of n, a(n) for n = 1..128 EXAMPLE Some solutions for n=1 ..0..1..0..1..2..0..2....0..0..0..1..1..0..0....0..1..0..0..1..1..1 ..0..1..2..0..0..2..1....2..0..1..0..1..2..1....0..2..0..0..2..0..2 CROSSREFS Sequence in context: A036098 A203668 A253312 * A253730 A043679 A162893 Adjacent sequences:  A253657 A253658 A253659 * A253661 A253662 A253663 KEYWORD nonn AUTHOR R. H. Hardin, Jan 07 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 October 25 19:28 EDT 2020. Contains 338012 sequences. (Running on oeis4.)