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A153864 Triangle read by rows, A000012 * A153860 * (A066983 * 0^(n-k)) 1

%I #3 Mar 30 2012 17:25:33

%S 1,1,1,2,2,1,1,2,2,3,2,2,2,6,3,1,2,2,6,6,7,2,2,2,6,6,14,9,1,2,2,6,6,

%T 14,18,17,2,2,2,6,6,14,18,34,25,1,2,2,6,6,14,18,34,50,43,2,2,2,6,6,14,

%U 18,34,50,86,67

%N Triangle read by rows, A000012 * A153860 * (A066983 * 0^(n-k))

%C Row sums = A066629: (1, 2, 5, 8, 15, 24, 41, 66, 109,...).

%C Right border = A066983: (1, 1, 1, 3, 3, 7, 9, 17,...).

%F Triangle read by rows, A000012 * A153860 * (A066983 * 0^(n-k))

%F Given triangle A000012 * A153860 = partial sums of A153860 starting from the top.

%F (A066983 * 0^n-k) = an infinite lower triangular matrix with A066983 as the

%F main diagonal: (1, 1, 1, 3, 3, 7, 9, 17, 25,...) and the rest zeros.

%e First few rows of the triangle =

%e 1;

%e 1, 1;

%e 2, 2, 1;

%e 1, 2, 2, 3;

%e 2, 2, 2, 6, 3;

%e 1, 2, 2, 6, 6, 7;

%e 2, 2, 2, 6, 6, 14, 9;

%e 1, 2, 2, 6, 6, 14, 18, 17;

%e 2, 2, 2, 6, 6, 14, 18, 34, 25;

%e 1, 2, 2, 6, 6, 14, 18, 34, 50, 43;

%e ...

%Y Cf. A153860, A066983, A066629

%K nonn,tabl

%O 0,4

%A _Gary W. Adamson_, Jan 03 2009

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Last modified August 23 12:19 EDT 2024. Contains 375396 sequences. (Running on oeis4.)