A131325 - OEIS

%I #17 Mar 04 2022 01:28:19

%S 1,2,1,1,2,1,2,4,2,1,1,2,7,2,1,2,7,2,10,2,1,1,2,16,2,13,2,1,2,10,2,28,

%T 2,16,2,1,1,2,28,2,43,2,19,2,1,2,13,2,58,2,61,2,22,2,1,1,2,43,2,103,2,

%U 82,2,25,2,1,2,16,2,103,2,166,2,106,2,28,2,1,1,2,61,2,208,2,250,2

%N Triangle |3*|A049310(n,k)| - 2| read by rows, 0 <= k <= n.

%e First few rows of the triangle:

%e   1;

%e   2,  1;

%e   1,  2,  1;

%e   2,  4,  2,  1;

%e   1,  2,  7,  2,  1;

%e   2,  7,  2, 10,  2,  1;

%e   1,  2, 16,  2, 13,  2,  1;

%e   ...

%p A131325 := proc(n,k)

%p     abs(3*abs(A049310(n,k))-2) ;

%p end proc:

%p seq(seq(A131325(n,k),k=0..n),n=0..12) ; # _R. J. Mathar_, Aug 13 2012

%Y Cf. A049310, A131324, A131326 (row sums), A131327.

%K nonn,tabl

%O 0,2

%A _Gary W. Adamson_, Jun 28 2007

%E Definition corrected by _David Scambler_, Aug 12 2012