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A093655 First column of lower triangular matrix A093654. 5

%I #3 Mar 30 2012 18:36:40

%S 1,1,1,2,1,2,2,7,1,2,2,7,2,7,7,41,1,2,2,7,2,7,7,41,2,7,7,41,7,41,41,

%T 397,1,2,2,7,2,7,7,41,2,7,7,41,7,41,41,397,2,7,7,41,7,41,41,397,7,41,

%U 41,397,41,397,397,6377

%N First column of lower triangular matrix A093654.

%C Related to the number of tournament sequences (A008934).

%C a(n) equals the number of tournament sequences (A008934) of length A000120(n-1), which is the number of 1's in the binary expansion of n-1.

%F a(2^n) = A008934(n) for n>=0.

%F a(n) = A008934(A000120(n-1)) for n>=1.

%Y Cf. A008934, A093655.

%Y Cf. A000120.

%K nonn

%O 1,4

%A _Paul D. Hanna_, Apr 08 2004

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Last modified April 24 19:39 EDT 2024. Contains 371963 sequences. (Running on oeis4.)