A247926 Number of length n+4 0..7 arrays with some disjoint pairs in every consecutive five terms having the same sum

20648, 117256, 663080, 3785236, 21652632, 123827876, 709026892, 4062290944, 23284325652, 133483154922, 765235772714, 4387183095314, 25153072167234, 144214094669264, 826855651232370, 4740814985849206, 27181749626302484

Offset

1,1

Comments

Column 7 of A247927

Links

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

Example

Some solutions for n=2
..0....0....4....3....3....0....5....4....0....2....6....5....1....2....0....5
..1....0....1....0....2....2....2....1....5....5....1....3....2....6....4....4
..6....1....1....2....7....4....1....3....5....0....6....2....5....4....5....1
..7....2....4....0....5....1....0....4....0....0....5....2....5....5....0....3
..0....1....5....1....4....2....3....3....0....5....0....5....2....1....5....6
..2....0....2....1....4....1....0....1....3....0....2....0....1....3....4....4

Crossrefs

Sequence in context: A056073 A173378 A028519 * A107263 A372296 A237329

Adjacent sequences: A247923 A247924 A247925 * A247927 A247928 A247929

Keyword

nonn

Author

R. H. Hardin, Sep 26 2014

Status

approved