A330792 - OEIS

%I #8 Feb 20 2020 13:57:17

%S 1,1,1,2,2,1,4,5,3,1,9,13,10,4,1,21,35,34,17,5,1,51,96,117,73,26,6,1,

%T 127,267,405,315,136,37,7,1,323,750,1407,1362,713,229,50,8,1,835,2123,

%U 4899,5895,3741,1419,358,65,9,1,2188,6046,17083,25528,19635,8796,2565,529,82,10,1

%N T(n, k) = P(n-k, k) where P(n, x) = Sum_{k=0..n} A064189(n, k)*x^k. Triangle read by rows, for 0 <= k <= n.

%e Triangle starts:

%e [0]   1

%e [1]   1,    1

%e [2]   2,    2,    1

%e [3]   4,    5,    3,    1

%e [4]   9,   13,   10,    4,    1

%e [5]  21,   35,   34,   17,    5,    1

%e [6]  51,   96,  117,   73,   26,    6,   1

%e [7] 127,  267,  405,  315,  136,   37,   7,  1

%e [8] 323,  750, 1407, 1362,  713,  229,  50,  8, 1

%e [9] 835, 2123, 4899, 5895, 3741, 1419, 358, 65, 9, 1

%p P := (n, x) -> add(A064189(n, k)*x^k, k=0..n):

%p seq(seq(P(n-k, k), k=0..n), n=0..10);

%Y Cf. A064189.

%K nonn,tabl

%O 0,4

%A _Peter Luschny_, Jan 01 2020