A212867 Number of nondecreasing sequences of n 1..7 integers with no element dividing the sequence sum

0, 12, 29, 59, 112, 199, 319, 503, 733, 1067, 1508, 2104, 2827, 3801, 4974, 6404, 8054, 10101, 12573, 15680, 19309, 23586, 28399, 33966, 40235, 47554, 55866, 65509, 76417, 88971, 103077, 119201, 137210, 157549, 180024, 205015, 232280, 262333, 294930

Offset

1,2

Comments

Column 7 of A212868

Links

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

Example

Some solutions for n=8
..2....2....4....2....3....2....4....2....3....2....2....3....3....5....3....2
..2....4....4....2....3....4....4....2....4....2....2....4....3....5....3....3
..3....4....4....2....3....4....4....2....4....3....2....5....3....6....3....7
..4....5....4....2....3....4....4....2....4....3....3....5....4....6....5....7
..4....6....5....4....6....4....4....3....4....4....3....5....7....6....5....7
..5....6....5....4....6....5....5....3....6....4....3....6....7....6....5....7
..5....6....6....5....7....5....7....4....6....6....3....6....7....6....6....7
..6....6....7....6....7....5....7....5....7....7....7....7....7....7....7....7

Crossrefs

Sequence in context: A174649 A161452 A353872 * A178494 A049725 A183723

Adjacent sequences: A212864 A212865 A212866 * A212868 A212869 A212870

Keyword

nonn

Author

R. H. Hardin May 29 2012

Status

approved