%I A158821
%S A158821 1,1,1,2,0,1,3,0,0,1,4,0,0,0,1,5,0,0,0,0,1,6,0,0,0,0,0,1,7,0,0,0,0,0,0,
%T A158821 1,8,0,0,0,0,0,0,0,1,9,0,0,0,0,0,0,0,0,1,10,0,0,0,0,0,0,0,0,0,1,11,0,0,
%U A158821 0,0,0,0,0,0,0,0,1,12,0,0,0,0,0,0,0,0,0,0,0,1,13,0,0,0,0,0,0,0,0,0,0,0
%N A158821 Triangle read by rows: row n (n>=0) ends with 1, and for n>=1 begins 
               with n; other entries are zero.
%F A158821 T(n,k) = A145677(n,n-k-1). [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), 
               Apr 01 2009]
%e A158821 Triangle begins:
%e A158821 1
%e A158821 1, 1
%e A158821 2, 0, 1
%e A158821 3, 0, 0, 1
%e A158821 4, 0, 0, 0, 1
%e A158821 5, 0, 0, 0, 0, 1
%e A158821 6, 0, 0, 0, 0, 0, 1
%e A158821 7, 0, 0, 0, 0, 0, 0, 1
%Y A158821 Sequence in context: A014511 A085855 A128132 this_sequence A127701 A004199 
               A062283
%Y A158821 Adjacent sequences: A158818 A158819 A158820 this_sequence A158822 A158823 
               A158824
%K A158821 nonn,tabl,easy
%O A158821 0,4
%A A158821 Gary W. Adamson (qntmpkt(AT)yahoo.com), Mar 30 2008
%E A158821 More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Apr 01 2009