%I A127701
%S A127701 1,1,2,0,1,3,0,0,1,4,0,0,0,1,5,0,0,0,0,1,6,0,0,0,0,0,1,7,0,0,0,0,0,0,1,
%T A127701 8,0,0,0,0,0,0,0,1,9,0,0,0,0,0,0,0,0,1,10,0,0,0,0,0,0,0,0,0,1,11,0,0,0,
%U A127701 0,0,0,0,0,0,0,1,12,0,0,0,0,0,0,0,0,0,0,0,1,13,0,0,0,0,0,0,0,0,0,0,0,0
%N A127701 Infinite lower triangular matrix with (1, 2, 3,...) in the main diagonal, 
               (1, 1, 1,...) in the subdiagonal and the rest zeros.
%C A127701 Eigensequence of the triangle = A001040 starting (1, 3, 10, 43, 225,...). 
               [From Gary W. Adamson (qntmpkt(AT)yahoo.com), Dec 29 2008]
%e A127701 First few rows of the triangle are:
%e A127701 1;
%e A127701 1, 2;
%e A127701 0, 1, 3;
%e A127701 0, 0, 1, 4;
%e A127701 0, 0, 0, 1, 5;
%e A127701 0, 0, 0, 0, 1, 6;
%e A127701 0, 0, 0, 0, 0, 1, 7;
%e A127701 ...
%Y A127701 A001040 [From Gary W. Adamson (qntmpkt(AT)yahoo.com), Dec 29 2008]
%Y A127701 Sequence in context: A085855 A128132 A158821 this_sequence A004199 A062283 
               A136493
%Y A127701 Adjacent sequences: A127698 A127699 A127700 this_sequence A127702 A127703 
               A127704
%K A127701 nonn,easy,tabl
%O A127701 1,3
%A A127701 Gary W. Adamson (qntmpkt(AT)yahoo.com), Jan 23 2007
%E A127701 More terms from Jon E. Schoenfield (jonscho(AT)hiwaay.net), May 26 2007