%I #13 Mar 07 2022 07:56:17
%S 1,0,3,0,0,4,0,0,0,5,0,0,0,0,7,0,0,0,0,0,8,0,0,0,0,0,0,9,0,0,0,0,0,0,
%T 0,11,0,0,0,0,0,0,0,0,12,0,0,0,0,0,0,0,0,0,13,0,0,0,0,0,0,0,0,0,0,15,
%U 0,0,0,0,0,0,0,0,0,0,0,16,0,0,0,0,0,0,0,0,0,0,0,0,17
%N Triangle read by rows, A042965 on the diagonal, 0 elsewhere.
%F A042965: (1, 3, 4, 5, 7, 8, 9, 11, 12, 13, ...) as the diagonal of an infinite lower triangular matrix and the rest zeros.
%e First few rows of the triangle:
%e 1;
%e 0, 3;
%e 0, 0, 4;
%e 0, 0, 0, 5;
%e 0, 0, 0, 0, 7;
%e ...
%o (PARI) row(n) = vector(n, k, if (k==n, (4*n+1)\3)); \\ _Michel Marcus_, Mar 07 2022
%Y Cf. A042965, A133110 (binomial transform).
%K nonn,tabl
%O 1,3
%A _Gary W. Adamson_, Sep 12 2007
%E More terms from _Michel Marcus_, Mar 07 2022