A268326 - OEIS

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A268326

Number of length-(n+1) 0..7 arrays with new values introduced in sequential order, and with new repeated values introduced in sequential order, both starting with zero.

1

2, 4, 11, 33, 114, 435, 1829, 8376, 41466, 220115, 1242614, 7395663, 45999012, 296480813, 1965371333, 13314182333, 91697130971, 639451012407, 4501167824269, 31908164747227, 227399949031725, 1627202389749190, 11680282747792917

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Column 7 of A268327.

LINKS

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

R. H. Hardin, Empirical recurrence of order 54

FORMULA

Empirical recurrence of order 54 (see link above)

EXAMPLE

Some solutions for n=9

..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0

..1....1....1....1....1....0....1....1....1....1....1....1....0....1....1....0

..2....0....2....0....2....1....2....0....2....2....2....0....1....2....0....1

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

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

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

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

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

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

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

CROSSREFS

Sequence in context: A268323 A268324 A268325 * A268320 A127782 A002846

Adjacent sequences: A268323 A268324 A268325 * A268327 A268328 A268329

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 01 2016

STATUS

approved