A247934 Number of length 7+4 0..n arrays with some disjoint pairs in every consecutive five terms having the same sum

2048, 66443, 1189016, 10628145, 56329528, 219338895, 709026892, 1940506559, 4791161808, 10512303109, 21368446232, 40334553079, 72125377452, 122074030273, 198729314804, 311785599821, 474963235708, 702238186339, 1015270600916

Offset

1,1

Comments

Row 7 of A247927

Links

R. H. Hardin, Table of n, a(n) for n = 1..63

Example

Some solutions for n=2
..0....2....1....0....1....0....2....2....0....1....0....2....1....2....1....2
..2....1....1....0....1....1....0....2....0....1....0....0....0....1....0....1
..1....0....2....0....0....0....2....1....2....2....0....2....0....0....1....0
..2....2....0....0....2....2....0....0....0....0....1....2....1....0....1....0
..1....1....2....2....1....1....1....0....0....0....1....0....2....2....1....2
..2....1....1....0....1....1....1....1....2....2....0....1....1....2....1....2
..0....1....1....2....2....0....0....2....0....0....1....0....2....0....1....0
..0....2....2....0....2....1....1....2....2....2....1....1....0....1....1....0
..2....2....0....1....2....2....0....1....1....0....0....1....1....1....1....1
..1....0....2....2....2....0....0....1....1....0....0....0....1....0....1....1
..2....0....0....1....2....1....0....0....0....0....2....1....2....2....1....2

Crossrefs

Sequence in context: A204837 A351162 A100629 * A195659 A321835 A017686

Adjacent sequences: A247931 A247932 A247933 * A247935 A247936 A247937

Keyword

nonn

Author

R. H. Hardin, Sep 26 2014

Status

approved