OFFSET
1,2
COMMENTS
Table starts
.1.4..9..16...25....36....49....64.....81....100....121....144....169....196
.0.4.14..30...52....80...114...154....200....252....310....374....444....520
.0.4.25..64..121...196...289...400....529....676....841...1024...1225...1444
.0.4.40.132..278...478...732..1040...1402...1818...2288...2812...3390...4022
.0.0.40.188..487...924..1499..2212...3063...4052...5179...6444...7847...9388
.0.0.24.264..832..1810..3154..4864...6940...9382..12190..15364..18904..22810
.0.0.18.324.1418..3448..6581.10688..15769..21824..28853..36856..45833..55784
.0.0..0.404.2140..6380.13220.22996..35366..50330..67888..88040.110786.136126
.0.0..0.340.3060.10320.24892.46412..75567.111492.154187.203652.259887.322892
.0.0..0.280.3792.17052.44464.92628.159328.245946.350386.472648.612732.770638
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..287
FORMULA
Empirical: T(1,k) = k^2
Empirical: T(2,k) = 3*k^2 - 5*k + 2
Empirical: T(3,k) = 9*k^2 - 24*k + 16 for k>1
Empirical: T(4,k) = 27*k^2 - 97*k + 88 for k>2
Empirical: T(5,k) = 69*k^2 - 322*k + 372 for k>3
Empirical: T(6,k) = 183*k^2 - 1035*k + 1432 for k>4
Empirical: T(7,k) = 487*k^2 - 3198*k + 5104 for k>5
Empirical: T(8,k) = 1297*k^2 - 9679*k + 17420 for k>6
Empirical: T(9,k) = 3385*k^2 - 28390*k + 56892 for k>7
Empirical: T(10,k) = 8911*k^2 - 82691*k + 181756 for k>8
EXAMPLE
Some n=4 solutions for 4X4
..0..4..0..0....0..0..0..0....1..0..0..0....0..0..0..0....0..0..0..0
..3..0..0..0....0..0..0..0....2..0..0..0....0..0..0..0....0..0..1..0
..0..2..0..0....0..0..3..1....3..0..0..0....4..2..0..0....0..0..2..4
..0..0..1..0....0..0..4..2....4..0..0..0....0..3..1..0....0..0..3..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Mar 09 2011
STATUS
approved