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

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 56th year, we are closing in on 350,000 sequences, and we’ve crossed 9,700 citations (which often say “discovered thanks to the OEIS”).

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A184081 T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with rows and columns in nondecreasing order and with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one 10
 29, 58, 58, 150, 74, 150, 335, 239, 239, 335, 728, 578, 1436, 578, 728, 1499, 1599, 5760, 5760, 1599, 1499, 2968, 4233, 25954, 44050, 25954, 4233, 2968, 5645, 11128, 104404, 360196, 360196, 104404, 11128, 5645, 10331, 28248, 422992, 2628898, 5727704 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Table starts ....29.....58......150.......335.........728........1499........2968 ....58.....74......239.......578........1599........4233.......11128 ...150....239.....1436......5760.......25954......104404......422992 ...335....578.....5760.....44050......360196.....2628898....18149260 ...728...1599....25954....360196.....5727704....78169918..1001709070 ..1499...4233...104404...2628898....78169918..2187790488.53028481224 ..2968..11128...422992..18149260..1001709070.53028481224 ..5645..28248..1588555.114306440.11365443208 .10331..67622..5471235.641511811 .18242.152873.17366119 LINKS R. H. Hardin, Table of n, a(n) for n = 1..84 EXAMPLE Some solutions for 3X3 ..1..2..2....0..1..1....0..0..0....0..0..0....1..2..2....0..1..1....0..1..1 ..2..0..1....1..1..1....0..0..0....0..0..0....2..1..1....2..0..2....1..0..0 ..2..1..2....1..1..1....0..0..1....0..0..0....2..1..2....2..0..2....1..0..2 ... ...5..5.......3..4.......0..0.......0..0.......6..6.......3..4.......2..2... ...5..4.......4..4.......0..1.......0..0.......6..5.......4..4.......2..2... CROSSREFS Sequence in context: A123848 A340669 A040812 * A333912 A333913 A164011 Adjacent sequences:  A184078 A184079 A184080 * A184082 A184083 A184084 KEYWORD nonn,tabl AUTHOR R. H. Hardin Jan 09 2011 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 December 4 06:49 EST 2021. Contains 349476 sequences. (Running on oeis4.)