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A264317
Number of (4+1) X (n+1) arrays of permutations of 0..n*5+4 with each element having directed index change 0,0 0,1 1,0 -1,-2 or 0,2.
1
1, 240, 7821, 167348, 3932500, 101336088, 2478206839, 60633004449, 1472189831063, 35661243626845, 861096242861615, 20785591437600100, 501371485057544972, 12087053521090888958, 291265869175775603257
OFFSET
1,2
COMMENTS
Row 4 of A264313.
LINKS
EXAMPLE
Some solutions for n=4
..0..1..9..2..3....0..1..9..2..3....7..0..1..2..4....0..1..2..3..4
.12..6..5..7..4...12..5..6..7..4....5..6.14..3..8....5.13.14..8..7
.10.18.11..8.14...17.10.19..8.13...17.10.12.11..9...10..6.11.12..9
.22.23.24.13.17...22.11.16.18.14...22.16.24.13.19...22.15.24.17.19
.15.16.20.21.19...15.21.20.23.24...15.20.21.18.23...20.16.21.18.23
CROSSREFS
Cf. A264313.
Sequence in context: A239245 A218131 A268637 * A270174 A008340 A252183
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 11 2015
STATUS
approved