A248000 Number of length 5+5 0..n arrays with no disjoint triples in any consecutive six terms having the same sum

32, 4308, 74132, 874884, 5921416, 32751572, 138568024, 511733540, 1620776792, 4661986460, 12118805928, 29376747672, 66284859416, 141791383184, 287624855088, 559573938328, 1044864139728, 1886935302340, 3298291302932

Offset

1,1

Comments

Row 5 of A247995

Links

R. H. Hardin, Table of n, a(n) for n = 1..28

Example

Some solutions for n=3
..0....3....3....3....0....3....3....2....1....2....0....0....0....0....1....2
..3....3....2....1....3....1....3....1....1....0....1....3....2....2....0....0
..2....0....0....1....2....0....0....3....2....0....0....0....2....3....0....0
..0....3....0....2....0....3....3....3....3....3....0....3....0....2....1....0
..1....1....2....3....0....0....0....2....3....3....0....3....3....2....0....0
..1....3....0....3....2....0....2....0....3....0....0....1....0....0....1....1
..2....3....3....1....2....3....3....0....3....3....2....1....2....0....3....2
..3....0....3....3....3....3....3....0....1....0....0....3....2....0....0....0
..0....3....0....1....0....0....3....3....0....0....3....2....0....1....0....2
..0....0....3....1....0....3....2....0....1....1....3....1....2....0....3....2

Crossrefs

Sequence in context: A328275 A291829 A248075 * A278302 A071310 A265371

Adjacent sequences: A247997 A247998 A247999 * A248001 A248002 A248003

Keyword

nonn

Author

R. H. Hardin, Sep 28 2014

Status

approved