OFFSET
0,2
COMMENTS
a(2*n+1) = A126596(n).
LINKS
Reinhard Zumkeller, Table of n, a(n) for n = 0..1000
MATHEMATICA
T[_, 0] = 1; T[n_, 1] := n; T[n_, n_] := T[n - 1, n - 2]; T[n_, k_] /; 1 < k < n := T[n, k] = T[n - 1, k] + T[n - 1, k - 2];
a[n_] := T[2n, n];
Table[a[n], {n, 0, 30}] (* Jean-François Alcover, Feb 03 2018, from A208101 *)
PROG
(Haskell)
a208983 n = a208101 (2 * n) n
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Mar 04 2012
STATUS
approved