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A136482 Triangle read by rows: T(n,k) = 2*A007318(n,k) - A034851(n,k) (i.e., twice Pascal's triangle - the Losanitch triangle). 2

%I #5 Sep 21 2015 01:27:57

%S 1,1,1,1,3,1,1,4,4,1,1,6,8,6,1,1,7,14,14,7,1,1,9,21,30,21,9,1,1,10,30,

%T 51,51,30,10,1,1,12,40,84,102,84,40,12,1,1,13,52,124,186,186,124,52,

%U 13,1,1,15,65,180,310,378,310,180,65,15,1,1,16,80,245,490,688,688,490,245

%N Triangle read by rows: T(n,k) = 2*A007318(n,k) - A034851(n,k) (i.e., twice Pascal's triangle - the Losanitch triangle).

%C Row sums are apparently in A135098. - _R. J. Mathar_, May 01 2008

%e Row n=3 is 2*(1,3,3,1) - (1,2,2,1) = (1,4,4,1).

%p A007318 := proc(n,k) binomial(n,k) ; end: A051159 := proc(n,k) binomial(n mod 2, k mod 2)*binomial(floor(n/2),floor(k/2)) ; end: A034851 := proc(n,k) (A007318(n,k)+A051159(n,k))/2 ; end: A136482 := proc(n,k) 2*A007318(n,k)-A034851(n,k) ; end: for n from 0 to 13 do for k from 0 to n do printf("%d,",A136482(n,k)) ; od: od: # _R. J. Mathar_, May 01 2008

%Y Cf. A007318, A034851, A136489.

%K nonn,tabl

%O 0,5

%A _Gary W. Adamson_, Dec 31 2007

%E Edited and corrected by _R. J. Mathar_, May 01 2008

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Last modified May 19 08:56 EDT 2024. Contains 372673 sequences. (Running on oeis4.)