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A128442 Array T by antidiagonals: T(n,k)=Floor(k*2^(n/2)). 0

%I #2 Mar 30 2012 18:57:10

%S 1,2,2,4,4,2,5,6,5,4,7,8,8,8,5,8,10,11,12,11,8,9,12,14,16,16,16,11,11,

%T 14,16,20,22,24,22,16,12,16,19,24,28,32,33,32,22,14,18,22,28,33,40,45,

%U 48,45,32,15,20,25,32,39,48,56,64,67,64,45,16,22,28,36,45,56,67,80,90

%N Array T by antidiagonals: T(n,k)=Floor(k*2^(n/2)).

%C Row 1 = A001951; Row 2 = A005843; Row 3 = A022842; Row 4 = A008586; Column 1 = A017910; T(n,n) = A128441(n).

%e Northwest corner:

%e 1 2 4 5 7

%e 2 4 6 8 10

%e 2 5 8 11 14

%e 4 8 12 16 20

%e 5 11 16 22 28

%Y Cf. A005843, A008586, A128441.

%K nonn,tabl

%O 1,2

%A _Clark Kimberling_, Mar 03 2007

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Last modified April 19 15:11 EDT 2024. Contains 371794 sequences. (Running on oeis4.)