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

0,3

Links

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

Formula

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

Prog

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

Crossrefs

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

Sequence in context: A020950 A056386 A331027 * A217131 A116636 A256980

Adjacent sequences: A210105 A210106 A210107 * A210109 A210110 A210111

Keyword

nonn,tabl

Author

Reinhard Zumkeller, Mar 17 2012

Status

approved