OFFSET
1,2
COMMENTS
T(n,2) = A052849(n) for n>1.
LINKS
Reinhard Zumkeller and Andre F. Labossiere, Rows n=1..14 of triangle, flattened
EXAMPLE
1
2 2
3 4 3
4 12 12 4
PROG
(Haskell)
a080046 n k = a080046_tabl !! (n-1) !! (k-1)
a080046_row n = a080046_tabl !! (n-1)
a080046_tabl = iterate f [1] where
f (x:xs) = [x + 1] ++ (zipWith (*) xs $ reverse xs) ++ [x + 1]
-- Reinhard Zumkeller, Oct 27 2013
CROSSREFS
AUTHOR
Reinhard Zumkeller, Jan 21 2003
EXTENSIONS
Corrected by André F. Labossière, Sep 27 2004
STATUS
approved