OFFSET
1,1
COMMENTS
FORMULA
Infinite lower triangular matrix, (1,0,1,0,...) in the main diagonal and (1,1,1,...) in the subdiagonal.
EXAMPLE
First few rows of the triangle:
1;
1, 0;
0, 1, 1;
0, 0, 1, 0;
0, 0, 0, 1, 1;
...
PROG
(PARI) row(n) = vector(n, k, if (k==n-1, 1, if (k==n, n%2)));
lista(nn) = my(list=List()); for (n=1, nn, my(v=row(n)); for (k=1, #v, listput(list, v[k]))); Vec(list); \\ Michel Marcus, Mar 06 2022
CROSSREFS
KEYWORD
AUTHOR
Gary W. Adamson, Sep 09 2007
EXTENSIONS
More terms from Michel Marcus, Mar 06 2022
STATUS
approved