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A212874 Number of nondecreasing sequences of 7 1..n integers with no element dividing the sequence sum 2
0, 0, 2, 12, 40, 122, 319, 722, 1503, 2872, 5159, 9087, 15030, 24441, 38349, 58701, 86682, 127439, 180934, 255292, 354781, 484863, 649910, 870659, 1146208, 1495708, 1935479, 2485685, 3146345, 3979502, 4964688, 6177498, 7637218, 9375304 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Row 7 of A212868

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..192

EXAMPLE

Some solutions for n=8

..2....4....2....3....3....2....2....2....3....2....2....2....3....2....3....2

..3....5....3....7....4....3....3....2....4....3....2....4....3....2....3....2

..4....6....4....7....4....5....3....5....4....4....3....4....6....3....4....2

..4....6....6....7....5....7....3....5....6....4....4....6....7....3....7....5

..4....7....6....7....5....8....3....5....8....4....4....7....8....3....7....6

..4....7....8....7....6....8....3....6....8....6....6....8....8....4....7....6

..4....8....8....8....7....8....6....6....8....6....8....8....8....6....7....6

CROSSREFS

Sequence in context: A118417 A069144 A013194 * A074447 A190064 A240122

Adjacent sequences:  A212871 A212872 A212873 * A212875 A212876 A212877

KEYWORD

nonn

AUTHOR

R. H. Hardin May 29 2012

STATUS

approved

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Last modified March 28 05:13 EDT 2020. Contains 333073 sequences. (Running on oeis4.)