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A264580 Number of (n+1)X(5+1) arrays of permutations of 0..n*6+5 with each element having directed index change 1,0 0,-1 1,2 or -1,1. 1
1, 16, 97, 553, 3668, 24370, 145761, 905291, 5678975, 35331350, 219280373, 1365001746, 8497501967, 52836680760, 328652764556, 2044693862684, 12719074189744, 79117923662603, 492169411569361, 3061623752650382 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Column 5 of A264583.
LINKS
FORMULA
Empirical recurrence of order 84 (see link above)
EXAMPLE
Some solutions for n=4
..1..6..3..4..5.10....1..6..3..4..9.10....1..2..7..4..9.10....1..6..7..4..5.10
..0..8..2.14.11.16....7..8..0.14..2..5....0.12.13..3.15..5....0..8..9..3..2.16
.13.18.15..7.17..9...13.18.15.20.17.11....6.18..8.16.21.11...13.18.15.20.21.11
.19.24.12.22.27.28...19.24.12.22.16.28...19.24.14.22.27.17...19.24.12.22.14.17
.25.26.20.21.29.23...25.26.27.21.29.23...25.26.20.28.29.23...25.26.27.28.29.23
CROSSREFS
Cf. A264583.
Sequence in context: A265841 A248883 A223902 * A122102 A214612 A283545
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 18 2015
STATUS
approved

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Last modified June 22 11:56 EDT 2024. Contains 373570 sequences. (Running on oeis4.)