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A264213
Number of (n+1)X(4+1) arrays of permutations of 0..n*5+4 with each element having directed index change 0,0 0,1 1,0 -1,0 or 0,-2.
1
172, 3736, 97332, 2407816, 60472721, 1511983080, 37854981564, 947369885896, 23712132417625, 593477880692112, 14854004746402977, 371775622039391032, 9305050466679296656, 232892975400247163384, 5829000447529540164273
OFFSET
1,1
COMMENTS
Column 4 of A264217.
LINKS
EXAMPLE
Some solutions for n=3
..0..3..1..2..9....5..1..4..2..9....2..6..7..3..4....0..3..1..2..4
.10..5..7..8..4....0..6..7..3..8....0..1..9.13..8...10..5..6.13..9
.12..6.17.18.19...12.10.11.13.14....5.10.11.12.14...12.11..7..8.14
.15.11.16.13.14...15.18.16.17.19...15.16.19.17.18...15.16.19.17.18
CROSSREFS
Cf. A264217.
Sequence in context: A213992 A214115 A250968 * A250340 A035828 A259017
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 08 2015
STATUS
approved