OFFSET
1,1
COMMENTS
Table starts
....2.....3.....4......5......6......7......8......9.....10.....11......12
....4.....8....13.....19.....26.....34.....43.....53.....64.....76......89
....8....21....37.....58.....85....119....161....212....273....345.....429
...16....55...105....168....252....363....508....695....933...1232....1603
...32...144...298....488....734...1064...1505...2091...2864...3875....5185
...64...377...848...1422...2149...3107...4395...6124...8439..11527...15626
..128...987..2419...4160...6321...9125..12856..17875..24623..33686...45837
..256..2584..6908..12214..18673..26928..37808..52356..71923..98238..133616
..512..6765.19737..35960..55373..79800.111683.154076.210890.287271..389967
.1024.17711.56401.106072.164729.237348.331170.455195.620860.843084.1141689
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..1012
FORMULA
Empirical: columns k=1..7 have recurrences of order 1,2,5,7,9,11,13 for n>0,0,0,10,13,16
Empirical: rows n=1..7 are polynomials of degree n for k>0,0,1,2,3,4,5
EXAMPLE
Some solutions for n=3 k=4
..0..0..0..1....1..1..1..1....0..0..0..1....0..0..0..1....0..0..0..1
..0..1..1..1....1..1..1..1....1..1..1..1....0..0..0..0....0..1..1..1
..0..0..1..1....0..1..1..1....1..1..1..1....0..0..0..0....1..1..1..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Mar 30 2013
STATUS
approved