|
| |
|
|
A264632
|
|
Number of (5+1)X(n+1) arrays of permutations of 0..n*6+5 with each element having directed index change -2,0 -1,0 0,-1 or 1,1.
|
|
1
|
|
|
|
1, 16, 61, 660, 6107, 37225, 349391, 2557552, 19278771, 156296532, 1179331101, 9153019452, 71351814352, 548547053971, 4256314971079, 32951502011481, 254689445056816, 1972727580974503, 15263452717088948, 118105432842264754
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
1,2
|
|
|
COMMENTS
|
Row 5 of A264628.
|
|
|
LINKS
|
R. H. Hardin, Table of n, a(n) for n = 1..210
|
|
|
EXAMPLE
|
Some solutions for n=4
..5..2..3..4..9....1..6..3..4..9....1..2.12..4.14....5..6..7..4..9
.10..0..1.13.14...10..0.12..2.14....6..0.17..9..3...10..0..1..2..3
.11.12..6..7..8...11..5.13..7..8...11..5.13..7..8...15.12.13.14..8
.16.21.18.19.24...16.17.22.19.24...16.10.22.19.24...16.17.11.19.24
.25.15.27.17.29...25.15.27.28.18...25.15.27.28.18...25.22.27.28.18
.26.20.28.22.23...26.20.21.29.23...26.20.21.29.23...26.20.21.29.23
|
|
|
CROSSREFS
|
Cf. A264628.
Sequence in context: A044009 A317431 A241523 * A007831 A214524 A118254
Adjacent sequences: A264629 A264630 A264631 * A264633 A264634 A264635
|
|
|
KEYWORD
|
nonn
|
|
|
AUTHOR
|
R. H. Hardin, Nov 19 2015
|
|
|
STATUS
|
approved
|
| |
|
|
