The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A268076

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Number of nX5 nonnegative integer arrays with new values introduced in each row and column in sequential order starting with zero.
(history; published version)

#4 by R. H. Hardin at Mon Jan 25 21:21:00 EST 2016

STATUS

editing

approved

#3 by R. H. Hardin at Mon Jan 25 21:20:57 EST 2016

LINKS

R. H. Hardin, <a href="/A268076/b268076.txt">Table of n, a(n) for n = 1..210</a>

#2 by R. H. Hardin at Mon Jan 25 21:20:41 EST 2016

NAME

allocated for R. H. Hardin

Number of nX5 nonnegative integer arrays with new values introduced in each row and column in sequential order starting with zero.

DATA

1, 16, 422, 15106, 637358, 29309170, 1412290158, 69903748498, 3516426536462, 178686293830258, 9139087028036654, 469438600587725650, 24183675338723351886, 1248401566412796398386, 64540016642793090405230

OFFSET

1,2

COMMENTS

Column 5 of A268079.

FORMULA

Empirical: a(n) = 275*a(n-1) -33566*a(n-2) +2406402*a(n-3) -113010337*a(n-4) +3670826083*a(n-5) -84876036304*a(n-6) +1415919602008*a(n-7) -17080706925232*a(n-8) +147810424834032*a(n-9) -899681247349760*a(n-10) +3716228243456000*a(n-11) -9782712920320000*a(n-12) +14560347732480000*a(n-13) -9122816102400000*a(n-14)

EXAMPLE

Some solutions for n=4

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

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

..0..0..1..0..1....0..1..1..0..1....0..0..1..0..2....0..1..2..1..0

..0..1..2..1..0....0..1..2..0..1....0..0..1..0..0....0..1..2..0..2

CROSSREFS

Cf. A268079.

KEYWORD

allocated

nonn

AUTHOR

R. H. Hardin, Jan 25 2016

STATUS

approved

editing

#1 by R. H. Hardin at Mon Jan 25 21:18:08 EST 2016

NAME

allocated for R. H. Hardin

KEYWORD

allocated

STATUS

approved