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Euler transform applied three times to partition triangle A008284.
4

%I #11 Feb 18 2023 14:45:24

%S 1,1,4,1,4,10,1,8,16,30,1,8,32,54,75,1,12,48,128,176,206,1,12,70,210,

%T 443,535,518,1,16,92,362,842,1485,1585,1344,1,16,124,516,1544,3075,

%U 4676,4527,3357,1,20,152,770,2500,6133,10622,14336,12664,8429,1,20,190,1030,3952,10718,22524,34918,42426,34631,20759

%N Euler transform applied three times to partition triangle A008284.

%H Alois P. Heinz, <a href="/A055886/b055886.txt">Rows n = 1..150, flattened</a>

%H N. J. A. Sloane, <a href="/transforms.txt">Transforms</a>

%e 1;

%e 1, 4;

%e 1, 4, 10;

%e 1, 8, 16, 30;

%e 1, 8, 32, 54, 75;

%e ...

%Y Row sums give A007714.

%Y Main diagonal gives A007713.

%Y Cf. A055884, A055885.

%K nonn,tabl

%O 1,3

%A _Christian G. Bower_, Jun 09 2000