A215193 Number of arrays of 6 0..n integers with no sum of consecutive elements equal to a disjoint adjacent sum of an equal number of elements.

0, 30, 440, 2898, 11756, 36864, 95832, 219092, 452368, 864810, 1551080, 2642774, 4310012, 6776612, 10320160, 15292160, 22115896, 31311374, 43491392, 59391706, 79863756, 105911744, 138681424, 179503444, 229878952, 291529666, 366378408

Offset: 1

Author

R. H. Hardin Aug 05 2012

Keywords

• nonn

Comments

Row 6 of A215190

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..135

Formula

Empirical: a(n) = 2*a(n-1) +a(n-2) -2*a(n-3) -2*a(n-4) -2*a(n-5) +5*a(n-6) +2*a(n-7) -2*a(n-9) -5*a(n-10) +2*a(n-11) +2*a(n-12) +2*a(n-13) -a(n-14) -2*a(n-15) +a(n-16)