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Triangle read by rows, A000012 * A158902
1

%I #3 Apr 05 2012 17:04:04

%S 1,3,1,6,1,1,11,2,1,1,16,2,1,1,1,25,3,2,1,1,1,32,3,2,1,1,1,1,44,4,2,2,

%T 1,1,1,1,55,4,3,2,1,1,1,1,1,70,5,3,2,2,1,1,1,1,1,81,5,3,2,2,1,1,1,1,1,

%U 1,104,6,4,3,2,2,1,1,1,1,1,1

%N Triangle read by rows, A000012 * A158902

%C Row sums = A024916: (1, 4, 8, 15, 21, 33, 41,...).

%F Triangle read by rows, A000012 * A158902; where the A000012 multiplier takes jcolumn sums of triangle A158902 starting from the top.

%e First few rows of the triangle =

%e 1;

%e 3, 1;

%e 6, 1, 1;

%e 11, 2, 1, 1;

%e 16, 2, 1, 1, 1;

%e 25, 3, 2, 1, 1, 1;

%e 32, 3, 2, 1, 1, 1, 1;

%e 44, 4, 2, 2, 1, 1, 1, 1;

%e 55, 4, 3, 2, 1, 1, 1, 1, 1;

%e 70, 5, 3, 2, 2, 1, 1, 1, 1, 1;

%e 81, 5, 3, 2, 2, 1, 1, 1, 1, 1, 1;

%e 104, 6, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1;

%e 117, 6, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1;

%e 138, 7, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1;

%e ...

%Y Cf. A158902, A024916

%K nonn,tabl

%O 1,2

%A _Gary W. Adamson_ & _Mats Granvik_, Mar 29 2009