OFFSET
0,5
COMMENTS
The triangle with its first column removed is A004736. - Hartmut F. W. Hoft, Jun 05 2017
EXAMPLE
Triangle begins:
1
1....1
1....2....1
1....3....2....1
1....4....3....2....1
MATHEMATICA
a193592[n_] := Map[Prepend[Range[#, 1, -1], 1]&, Range[0, n]]
Flatten[a193592[12] (* data *)
TableForm[a193592[4]] (* triangle *) (* Hartmut F. W. Hoft, Jun 05 2017 *)
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Clark Kimberling, Jul 31 2011
EXTENSIONS
Corrected and added more terms by Hartmut F. W. Hoft, Jun 05 2017
STATUS
approved