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Number of arrays of length 4 that are sums of n consecutive elements of length 4+n-1 permutations of 0..4+n-2.
0

%I #7 Apr 27 2021 21:11:45

%S 24,120,304,2904,9120,20272,38176,64920,102848,154720,223536

%N Number of arrays of length 4 that are sums of n consecutive elements of length 4+n-1 permutations of 0..4+n-2.

%C Row 4 of A229565.

%e Some solutions for n=3:

%e 4 11 7 9 12 4 3 10 7 6 7 8 8 5 9 6

%e 7 9 9 11 9 7 8 5 8 9 3 10 7 6 10 7

%e 12 6 11 10 6 9 11 7 4 10 7 12 6 11 11 10

%e 11 4 8 6 3 11 12 5 8 9 8 7 7 10 6 9

%Y Cf. A229565.

%K nonn

%O 1,1

%A _R. H. Hardin_, Sep 26 2013