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A144417 Triangle in A144385 read upwards by columns. 1

%I #4 Jan 21 2014 12:30:22

%S 1,1,0,1,1,0,1,3,1,0,1,6,7,0,0,1,10,25,10,0,0,1,15,65,75,10,0,0,1,21,

%T 140,315,175,0,0,0,1,28,266,980,1225,280,0,0,0,1,36,462,2520,5565,

%U 3780,280,0,0,0,1,45,750,5670,19425,26145,9100,0,0,0,0,1,55

%N Triangle in A144385 read upwards by columns.

%e Triangle begins:

%e 1

%e 1,0

%e 1,1,0

%e 1,3,1,0

%e 1,6,7,0,0

%e 1,10,25,10,0,0

%e 1,15,65,75,10,0,0

%e 1,21,140,315,175,0,0,0

%Y Column sums give A001680. Cf. A144385.

%K nonn,tabl

%O 0,8

%A _David Applegate_ and _N. J. A. Sloane_, Dec 07 2008

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)