编辑

经核准的

R.H.Hardin，<a href=“/A300682型/b300682.txt“>n表，n=1..220时为a（n）</a>

分配给R.H.Hardin

T（n，k）=nXk 0..1数组的数量，每个元素在水平、垂直或反对角线方向上等于0、2、3或6，左上角元素为零。

1, 1, 1, 1, 3, 1, 1, 2, 2, 1, 1, 10, 5, 10, 1, 1, 13, 11, 11, 13, 1, 1, 42, 8, 28, 8, 42, 1, 1, 74, 58, 80, 80, 58, 74, 1, 1, 188, 131, 245, 398, 245, 131, 188, 1, 1, 387, 306, 729, 1382, 1382, 729, 306, 387, 1, 1, 885, 936, 2604, 6686, 9015, 6686, 2604, 936, 885, 1, 1, 1937

1,5

表格开始

.1...1...1....1......1.......1........1.........1...........1............1

.1...3...2...10.....13......42.......74.......188.........387..........885

.1...2...5...11......8......58......131.......306.........936.........2435

.1..10..11...28.....80.....245......729......2604........8579........27943

.1..13...8...80....398....1382.....6686.....30218......131674.......611429

.1..42..58..245...1382....9015....54361....338173.....2152660.....13818749

.1..74.131..729...6686...54361...494771...4174087....37464671....329141039

.1.188.306.2604..30218..338173..4174087..49274326...607495472...7403455976

.1.387.936.8579.131674.2152660.37464671.607495472.10215309343.174419385580

k列的经验值：

k=1:a（n）=a（n-1）

k=2:a（n）=4*a（n-2）+2*a（n-3）+a（n-5）-3*a（n-6）+a（n-7）

k=3:n>26时[订单23]

k=4：对于n>84，[订单82]

n=5k=4的一些解

..0..0..1..1. .0..0..1..1. .0..1..0..0. .0..1..1..1. .0..0..0..0

..0..0..1..0. .0..1..0..1. .1..1..0..1. .1..0..1..0. .0..1..0..1

..1..1..0..0. .0..1..1..0. .1..0..1..1. .1..1..0..0. .1..1..0..0

..1..0..1..0. .0..0..1..1. .0..0..1..0. .1..0..1..1. .1..0..1..0

..0..0..0..1. .0..0..1..0. .1..0..0..0. .0..0..1..1. .0..0..0..1

第2列为A300374型.

已分配

非n,表

R.H.哈丁2018年3月11日

经核准的

编辑

分配给R.H.Hardin

已分配

经核准的