A211835 Number of nonnegative integer arrays of length n+8 with new values 0 upwards introduced in order, no three adjacent elements equal, and containing the value 8

1, 46, 1202, 23596, 388512, 5684153, 76514893, 969656615, 11756827378, 138019379660, 1583273543771, 17878159956894, 199924036853766, 2225369295171276, 24765622932118451, 276618063019689289

Offset

1,2

Comments

Column 7 of A211836

Links

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

Example

Some solutions for n=3
..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0
..1....0....1....1....1....1....1....1....1....1....1....1....1....1....1....1
..2....1....2....1....1....2....2....2....2....2....0....2....2....2....2....2
..3....2....3....2....2....3....3....3....3....3....2....3....3....3....3....3
..4....3....1....3....3....4....4....4....4....4....3....4....3....4....4....0
..1....4....4....4....4....2....5....5....5....5....4....5....4....5....5....2
..5....2....5....5....5....5....6....0....6....6....5....6....5....6....0....4
..6....5....6....6....6....6....0....6....4....7....5....7....2....1....6....5
..7....6....7....7....7....7....7....4....4....6....6....4....6....0....7....6
..8....7....8....8....2....8....3....7....7....3....7....4....7....7....8....7
..3....8....5....6....8....1....8....8....8....8....8....8....8....8....1....8

Crossrefs

Sequence in context: A361183 A258464 A320552 * A333066 A261940 A060561

Adjacent sequences: A211832 A211833 A211834 * A211836 A211837 A211838

Keyword

nonn

Author

R. H. Hardin Apr 21 2012

Status

approved