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A211560 Number of nonnegative integer arrays of length n+6 with new values 0 upwards introduced in order, and containing the value 6 1
1, 29, 499, 6676, 77078, 810470, 8016373, 76199007, 706750917, 6470051684, 58990507604, 539568082508, 4980617941373, 46623060002853, 444309621663295, 4323539568389616, 43053687075812286, 439371904347001594 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 7 of A211561

LINKS

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

FORMULA

Empirical: a(n) = sum{j in 7..n+6}stirling2(n+6,j)

EXAMPLE

Some solutions for n=5

..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0

..1....1....1....1....1....1....1....1....1....1....1....1....1....1....1....1

..2....2....2....2....2....2....2....2....2....2....2....2....1....2....2....2

..3....3....3....3....3....0....3....3....0....0....3....3....2....3....3....0

..4....4....1....4....4....3....4....4....3....0....4....4....2....2....4....3

..5....0....4....5....3....4....3....3....3....3....5....5....3....0....0....1

..0....2....2....1....5....5....1....5....4....2....0....4....4....3....4....4

..4....4....5....6....1....6....4....6....1....4....0....6....1....4....3....3

..2....5....6....6....6....1....5....6....1....3....6....2....5....5....5....5

..6....0....1....6....3....5....3....3....5....5....6....1....1....6....3....6

..3....6....6....6....7....6....6....1....6....6....7....6....6....3....6....5

CROSSREFS

Sequence in context: A211833 A022753 A225969 * A333064 A228217 A305315

Adjacent sequences:  A211557 A211558 A211559 * A211561 A211562 A211563

KEYWORD

nonn

AUTHOR

R. H. Hardin Apr 15 2012

STATUS

approved

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Last modified September 21 14:54 EDT 2020. Contains 337272 sequences. (Running on oeis4.)