A264298 Number of (n+1)X(6+1) arrays of permutations of 0..n*7+6 with each element having directed index change 0,1 0,-2 1,0 or -1,0.

29, 288, 10449, 146688, 3890569, 66462504, 1510247849, 28497437872, 605622946697, 11912968404200, 246336447228929, 4930447691462280, 100791136602433141, 2032248890285673448, 41343967037374396649

Offset

1,1

Comments

Column 6 of A264299.

Links

R. H. Hardin, Table of n, a(n) for n = 1..182

Example

Some solutions for n=4
..2..3..1.10.11.12..5....7..8..1..2..3..4..5....2..8..9.10..6.12.13
..0..7..8..9..4.19..6....0.15.11..9.13.19..6....0..1.11..3..4..5.20
.21.14.15.16.17.18.13...21.14.18.10.20.12.27....7.14.18.19.17.26.27
.28.29.22.23.24.25.20...28.29.16.17.32.25.34...28.15.16.23.24.25.34
.30.31.32.33.34.26.27...30.22.23.24.31.26.33...21.22.29.30.31.32.33

Crossrefs

Cf. A264299.

Sequence in context: A153175 A124310 A101380 * A244873 A125392 A126550

Adjacent sequences: A264295 A264296 A264297 * A264299 A264300 A264301

Keyword

nonn

Author

R. H. Hardin, Nov 11 2015

Status

approved