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.

172, 3736, 97332, 2407816, 60472721, 1511983080, 37854981564, 947369885896, 23712132417625, 593477880692112, 14854004746402977, 371775622039391032, 9305050466679296656, 232892975400247163384, 5829000447529540164273

Offset

1,1

Comments

Column 4 of A264217.

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

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

Adjacent sequences: A264210 A264211 A264212 * A264214 A264215 A264216

Keyword

nonn

Author

R. H. Hardin, Nov 08 2015

Status

approved