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A247532 Number of length n+3 0..7 arrays with some disjoint pairs in every consecutive four terms having the same sum 1
848, 1616, 3220, 6584, 13668, 29012, 62108, 133716, 288996, 627654, 1366118, 2978172, 6500008, 14206554, 31071490, 67992670, 148845278, 325994076, 714155690, 1564780972, 3429103460, 7515830880, 16474726804, 36114808462 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A247533

LINKS

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

EXAMPLE

Some solutions for n=6

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

..7....6....5....4....5....6....6....1....5....2....5....6....5....3....6....4

..3....4....7....5....6....2....5....5....4....1....6....5....6....4....3....5

..2....3....4....5....7....3....6....2....1....2....3....7....4....2....4....5

..6....1....2....4....4....5....5....6....0....3....4....4....7....1....5....4

..7....0....5....6....5....6....4....1....5....4....5....6....5....3....6....6

..3....4....1....5....2....2....5....5....4....3....2....5....6....4....7....5

..2....3....4....3....7....1....6....2....1....4....3....7....6....6....4....7

..6....1....2....4....4....7....7....4....0....3....6....6....7....5....5....4

CROSSREFS

Sequence in context: A280484 A203335 A252253 * A235065 A268112 A194618

Adjacent sequences:  A247529 A247530 A247531 * A247533 A247534 A247535

KEYWORD

nonn

AUTHOR

R. H. Hardin, Sep 18 2014

STATUS

approved

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Last modified October 25 20:03 EDT 2021. Contains 348255 sequences. (Running on oeis4.)