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A139331 Triangle read by rows: ConvOffsStoT transform of A103505. 0

%I #3 Apr 05 2012 18:25:45

%S 1,1,1,1,1,1,1,2,2,1,1,6,12,6,1,1,12,72,72,12,1,1,20,240,720,240,20,1,

%T 1,30,600,3600,3600,600,30,1,1,56,1680,16800,33600,16800,1680,56,1,1,

%U 72,4032,60480,201600,201600,60480,4032,72,1

%N Triangle read by rows: ConvOffsStoT transform of A103505.

%e First few rows of the triangle are:

%e 1;

%e 1, 1;

%e 1, 1, 1;

%e 1, 2, 2, 1;

%e 1, 6, 12, 6, 1;

%e 1, 12, 72, 72, 12, 1;

%e 1, 20, 240, 720, 240, 20, 1;

%e 1, 30, 600, 3600, 3600, 600, 30, 1;

%e ...

%e Row 4 = (1, 6, 12, 6, 1) since ConvOffs transform of (1, 1, 2, 6) = (1, 6, 12, 6, 1); where A103505 = (1, 1, 2, 6, 12, 20, 30, 56, 72,...).

%Y Cf. A103505.

%K nonn,tabl

%O 0,8

%A _Gary W. Adamson_ and _Roger L. Bagula_, Apr 13 2008

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Last modified April 24 05:26 EDT 2024. Contains 371918 sequences. (Running on oeis4.)