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 A183933 Number of nondecreasing arrangements of n numbers in -7..7 with sum zero and sum of squares less than n*56/3 1

%I

%S 1,5,20,83,262,777,2117,5278,12353,27893,58831,118985,235504,443653,

%T 810431,1459822,2529977,4285656,7192569,11698167,18689016,29678739,

%U 45907880,70000817,106315189,157902365,231761845,339336920,487306673

%N Number of nondecreasing arrangements of n numbers in -7..7 with sum zero and sum of squares less than n*56/3

%C Column 7 of A183935

%H R. H. Hardin, <a href="/A183933/b183933.txt">Table of n, a(n) for n = 1..63</a>

%e Some solutions for n=4

%e .-5...-2...-3...-3...-4...-6...-5...-3...-5...-3...-7...-4...-6...-3...-4...-1

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

%e ..1....0....0....0....2....0....1....1....0....3....3....0....2....2....1....1

%e ..6....4....4....3....5....6....3....4....6....3....3....6....5....2....5....1

%K nonn

%O 1,2

%A _R. H. Hardin_ Jan 08 2011

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Last modified September 22 21:04 EDT 2021. Contains 347608 sequences. (Running on oeis4.)