A210108 Left half of Poupard's triangle, A008301.

1, 1, 2, 4, 8, 10, 34, 68, 94, 104, 496, 992, 1420, 1712, 1816, 11056, 22112, 32176, 40256, 45496, 47312, 349504, 699008, 1026400, 1309568, 1528384, 1666688, 1714000, 14873104, 29746208, 43920304, 56696384, 67419664, 75523808, 80571184, 82285184, 819786496

Offset: 0

Author

Reinhard Zumkeller, Mar 17 2012

Keywords

• nonn
• tabl

Links

• Reinhard Zumkeller, Rows n=0..120 of triangle, flattened

Crossrefs

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

Programs

Haskell

a210108 n k = a210108_tabl !! n !! k
a210108_row n = a210108_tabl !! n
a210108_tabl = zipWith take [1..] a008301_tabf

Formula

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