OFFSET
1,4
COMMENTS
FORMULA
EXAMPLE
First few rows of the triangle:
1;
1, 1;
2, 1, 1;
3, 1, 1, 1;
5, 2, 1, 1, 1;
6, 2, 1, 1, 1, 1;
10, 4, 2, 1, 1, 1, 1;
11, 4, 2, 1, 1, 1, 1, 1;
16, 6, 3, 2, 1, 1, 1, 1, 1;
19, 7, 4, 2, 1, 1, 1, 1, 1, 1;
26, 10, 5, 3, 2, 1, 1, 1, 1, 1, 1;
...
MAPLE
A160182den := proc(n, k)
if n =k then
-a+1 ;
else
-a;
end if;
end proc:
N := 20 :
M := Matrix(N, N) :
for n from 1 to N do
for k from 1 to N do
M[n, k] := A160182den(n, k) ;
end do:
end do:
MatrixInverse(M) ; # R. J. Mathar, Aug 04 2015
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Gary W. Adamson, May 03 2009
STATUS
approved