|
%I #17 Jun 07 2023 08:50:15
%S 1,1,1,1,1,1,1,2,1,1,1,1,3,1,1,1,3,1,4,1,1,1,1,6,1,5,1,1,1,4,1,10,1,6,
%T 1,1,1,1,10,1,15,1,7,1,1,1,5,1,20,1,21,1,8,1,1,1,1,15,1,35,1,28,1,9,1,
%U 1,1,6,1,35,1,56,1,36,1,10,1,1
%N Replace 0's with 1's in triangle A049310, and take absolute values.
%C Row sums = A134506: (1, 2, 3, 5, 7, 11, 16, ...).
%e First few rows of the triangle are:
%e 1;
%e 1, 1;
%e 1, 1, 1;
%e 1, 2, 1, 1;
%e 1, 1, 3, 1, 1;
%e 1, 3, 1, 4, 1, 1;
%e 1, 1, 6, 1, 5, 1, 1;
%e 1, 4, 1, 10, 1, 6, 1, 1;
%e 1, 1, 10, 1, 15, 1, 7, 1, 1;
%e ...
%Y Cf. A049310, A134506.
%K nonn,tabl
%O 1,8
%A _Gary W. Adamson_, Oct 28 2007
%E Definition corrected by _Eric Rowland_, Jun 23 2017
%E a(43) = 7 corrected and more terms from _Georg Fischer_, Jun 07 2023
|
