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A268258 Number of length-(n+1) 0..5 arrays with new repeated values introduced in sequential order starting with zero. 1
31, 161, 837, 4357, 22710, 118530, 619490, 3242265, 16993552, 89197862, 468891563, 2468601733, 13016765331, 68745010766, 363645146551, 1926748983131, 10225750976768, 54362543336048, 289501143028324, 1544393456553619 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A268261.

LINKS

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

FORMULA

Empirical: a(n) = 31*a(n-1) -390*a(n-2) +2490*a(n-3) -7960*a(n-4) +8610*a(n-5) +11775*a(n-6) -18175*a(n-7) -22024*a(n-8) -7236*a(n-9) -720*a(n-10)

EXAMPLE

Some solutions for n=6

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

..2....1....3....4....2....2....0....4....4....1....0....1....2....2....4....0

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

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

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

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

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

CROSSREFS

Cf. A268261.

Sequence in context: A142906 A157373 A058285 * A142306 A296114 A184497

Adjacent sequences:  A268255 A268256 A268257 * A268259 A268260 A268261

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 29 2016

STATUS

approved

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Last modified October 5 06:51 EDT 2022. Contains 357252 sequences. (Running on oeis4.)