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Left half of Poupard's triangle, A008301.
7

%I #11 Jul 13 2013 12:04:24

%S 1,1,2,4,8,10,34,68,94,104,496,992,1420,1712,1816,11056,22112,32176,

%T 40256,45496,47312,349504,699008,1026400,1309568,1528384,1666688,

%U 1714000,14873104,29746208,43920304,56696384,67419664,75523808,80571184,82285184,819786496

%N Left half of Poupard's triangle, A008301.

%H Reinhard Zumkeller, <a href="/A210108/b210108.txt">Rows n=0..120 of triangle, flattened</a>

%F T(n,k) = A008301(n,k), 0 <= k <= n.

%o (Haskell)

%o a210108 n k = a210108_tabl !! n !! k

%o a210108_row n = a210108_tabl !! n

%o a210108_tabl = zipWith take [1..] a008301_tabf

%Y Cf. A002105 (left edge), A005799 (right edge); A210111.

%K nonn,tabl

%O 0,3

%A _Reinhard Zumkeller_, Mar 17 2012