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A219701 Number of nX5 arrays of the minimum value of corresponding elements and their horizontal, vertical or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..1 nX5 array 1
5, 9, 45, 158, 518, 1648, 5007, 14438, 39672, 104598, 266066, 654865, 1562327, 3617918, 8142834, 17834820, 38060775, 79238739, 161130031, 320412547, 623782761, 1190206617, 2228054743, 4096067946, 7401902650, 13159096823 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A219704

LINKS

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

FORMULA

Empirical: a(n) = (1/88921857024000)*n^17 - (1/1162377216000)*n^16 + (31/653837184000)*n^15 - (197/174356582400)*n^14 - (4001/373621248000)*n^13 + (577/236544000)*n^12 - (2904113/25147584000)*n^11 + (800927/243855360)*n^10 - (2143102117/36578304000)*n^9 + (11942386187/24385536000)*n^8 + (5154831961/898128000)*n^7 - (86591775469/319334400)*n^6 + (264385484044277/54486432000)*n^5 - (11802550744248367/217945728000)*n^4 + (3653502793034617/9081072000)*n^3 - (589380100276909/302702400)*n^2 + (4888713642409/875160)*n - 7237310 for n>11

EXAMPLE

Some solutions for n=3

..0..0..0..1..1....0..0..0..0..1....0..0..0..0..1....0..0..0..0..0

..0..0..1..1..1....0..0..0..0..1....0..0..0..1..1....0..0..0..0..0

..0..0..1..1..1....1..0..0..1..1....0..0..0..1..1....1..1..0..0..1

CROSSREFS

Sequence in context: A149500 A149501 A149502 * A088974 A105182 A100457

Adjacent sequences:  A219698 A219699 A219700 * A219702 A219703 A219704

KEYWORD

nonn

AUTHOR

R. H. Hardin Nov 25 2012

STATUS

approved

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Last modified January 25 19:09 EST 2020. Contains 331249 sequences. (Running on oeis4.)