A269600 - OEIS

A269600

Number of length-n 0..n arrays with no repeated value differing from the previous repeated value by one or less.

2, 9, 60, 572, 7030, 105892, 1886252, 38768412, 902743646, 23482784400, 674804472216, 21227322458468, 725465523386294, 26765145874993234, 1060182321437102136, 44874027105660248520, 2021234030434596074938

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OFFSET

1,1

COMMENTS

Diagonal of A269606.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..193

EXAMPLE

Some solutions for n=6

..3. .2. .5. .1. .1. .3. .3. .1. .0. .6. .4. .5. .2. .3. .6. .4

..4. .2. .6. .2. .4. .5. .5. .5. .3. .4. .2. .6. .3. .5. .0. .2

..6. .0. .5. .0. .0. .6. .6. .4. .0. .2. .0. .2. .4. .1. .6. .0

..3. .0. .6. .1. .4. .5. .3. .1. .1. .5. .0. .3. .2. .4. .6. .5

..4. .3. .6. .6. .5. .3. .1. .3. .0. .0. .3. .5. .0. .6. .4. .3

..1. .0. .3. .2. .4. .1. .5. .5. .3. .6. .3. .0. .1. .4. .1. .2

CROSSREFS

Cf. A269606.

Sequence in context: A269530 A269672 A268205 * A269460 A207649 A289713

Adjacent sequences: A269597 A269598 A269599 * A269601 A269602 A269603

KEYWORD

nonn

AUTHOR

R. H. Hardin, Mar 01 2016

STATUS

approved