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A269432 Number of length-n 0..5 arrays with no repeated value greater than the previous repeated value. 1
6, 36, 216, 1281, 7536, 44021, 255576, 1475871, 8482276, 48543777, 276756312, 1572394697, 8905537932, 50293202487, 283276001872, 1591658418642, 8922925364502, 49917266140917, 278703080519352, 1553227427718978 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 5 of A269435.
LINKS
FORMULA
Empirical: a(n) = 30*a(n-1) -369*a(n-2) +2350*a(n-3) -7890*a(n-4) +11550*a(n-5) +895*a(n-6) -11550*a(n-7) -7890*a(n-8) -2350*a(n-9) -369*a(n-10) -30*a(n-11) -a(n-12)
EXAMPLE
Some solutions for n=6
..4. .1. .2. .5. .3. .0. .2. .3. .4. .5. .3. .3. .5. .0. .4. .3
..2. .5. .0. .0. .4. .2. .1. .4. .3. .3. .2. .0. .0. .5. .2. .0
..0. .4. .3. .1. .5. .1. .1. .2. .2. .5. .5. .3. .4. .2. .2. .5
..2. .0. .4. .3. .3. .0. .5. .1. .3. .2. .3. .2. .1. .0. .3. .3
..4. .1. .2. .4. .3. .4. .4. .1. .0. .5. .0. .3. .2. .5. .4. .3
..1. .3. .2. .5. .1. .1. .1. .4. .3. .1. .0. .2. .1. .4. .1. .1
CROSSREFS
Cf. A269435.
Sequence in context: A007274 A269616 A269580 * A269687 A269491 A269773
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 26 2016
STATUS
approved

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Last modified March 5 06:19 EST 2024. Contains 370537 sequences. (Running on oeis4.)