A264170 Number of (n+1)X(5+1) arrays of permutations of 0..n*6+5 with each element having directed index change 0,0 0,1 1,0 -2,-1 or -1,-2.
33, 1862, 50237, 1531900, 47277776, 1432853288, 43416669841, 1312690666360, 39639424508160, 1196969465424056, 36132067025659552, 1090365906204745440, 32902518616192382108, 992826504877585500504, 29957225880369186626053
Offset: 1
Keywords
Examples
Some solutions for n=3 .13..1.10..2..3..4....0..1..2..3..4..5....8..9..2.16..3..5....0..1.10..2..4..5 ..0..7.16.22..9..5...19.20..7.17..9.11....0..1..7.22..4.11...14.20..7..3..9.11 ..6.12..8.23.15.11....6.13..8.23.10.16....6.12.13.15.10.17....6.12..8.23.15.16 .18.19.14.20.21.17...12.18.14.15.21.22...18.19.14.20.21.23...18.13.19.21.22.17
Links
- R. H. Hardin, Table of n, a(n) for n = 1..124
Crossrefs
Cf. A264172.
Comments