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A202661 Number of -5..5 arrays of n elements with first through fourth differences also in -5..5 1

%I #5 Mar 31 2012 12:36:50

%S 11,91,587,2833,10205,37505,136999,501903,1838983,6737379,24684959,

%T 90444993,331378703,1214138477,4448501629,16298925281,59717838711,

%U 218801046307,801668385089,2937244370963,10761811926301,39430358807041

%N Number of -5..5 arrays of n elements with first through fourth differences also in -5..5

%C Column 5 of A202664

%H R. H. Hardin, <a href="/A202661/b202661.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=6

%e .-2...-2...-3....1...-1...-1....1....0....5...-2....0....3....2....2...-3....5

%e .-3....3...-4....2....1...-3....3....3....0...-2....3...-2....2...-2....0....4

%e .-2....3...-4....4....0...-1....3....1....0...-2....2...-2....0...-3...-1....1

%e ..1....1...-3....5....0....2....2...-2....0...-3....0...-1...-1...-3...-3...-1

%e ..1...-3....0....3....2....2....0...-4....0...-3....0....1....1...-4...-3....0

%e .-4...-4....5....1....3....0...-5...-3....2....1....0....3....3...-3...-1....3

%K nonn

%O 1,1

%A _R. H. Hardin_ Dec 22 2011

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