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A268959
Number of length-(n+5) 0..n arrays with no repeated value equal to the previous repeated value, with new values introduced in sequential order.
1
11, 201, 1830, 12634, 78930, 485726, 3068890, 20245176, 140084705, 1016152035, 7710817964, 61062125594, 503482001606, 4313580168256, 38328589616502, 352618806519480, 3353663975679253, 32927374587977757, 333319732346331654
OFFSET
1,1
COMMENTS
Subdiagonal 5 of A268956.
LINKS
EXAMPLE
Some solutions for n=5
..0. .0. .0. .0. .0. .0. .0. .0. .0. .0. .0. .0. .0. .0. .0. .0
..1. .1. .0. .1. .1. .1. .1. .0. .1. .1. .0. .1. .1. .1. .1. .1
..2. .0. .1. .1. .2. .0. .1. .1. .2. .2. .1. .2. .2. .2. .0. .2
..1. .1. .1. .0. .3. .2. .2. .2. .0. .0. .2. .1. .1. .1. .1. .0
..3. .2. .2. .2. .2. .3. .3. .3. .2. .3. .2. .3. .2. .3. .2. .3
..1. .3. .2. .1. .4. .3. .4. .0. .3. .0. .1. .3. .1. .4. .1. .0
..4. .1. .0. .3. .2. .0. .0. .2. .4. .4. .1. .4. .3. .4. .1. .1
..1. .1. .0. .4. .4. .1. .5. .4. .0. .0. .0. .5. .4. .5. .3. .2
..4. .3. .1. .4. .2. .4. .0. .4. .0. .5. .0. .2. .0. .2. .4. .0
..1. .0. .3. .0. .0. .3. .5. .2. .5. .2. .3. .4. .4. .3. .5. .0
CROSSREFS
Cf. A268956.
Sequence in context: A088295 A305316 A352842 * A213531 A064748 A191556
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 16 2016
STATUS
approved