login
Array T read by antidiagonals: T(k,n) = k*n*2^(n-1) + 1, n >= 0, k >= 1.
2

%I #11 Mar 07 2020 01:16:12

%S 1,1,2,1,3,5,1,4,9,13,1,5,13,25,33,1,6,17,37,65,81,1,7,21,49,97,161,

%T 193,1,8,25,61,129,241,385,449,1,9,29,73,161,321,577,897,1025,1,10,33,

%U 85,193,401,769,1345,2049,2305,1,11,37,97,225,481,961,1793,3073,4609,5121

%N Array T read by antidiagonals: T(k,n) = k*n*2^(n-1) + 1, n >= 0, k >= 1.

%e Antidiagonals: {1}; {1,2}; {1,3,5}; ...

%o (PARI) T(k,n)=k*n*2^(n-1)+1

%Y Transpose of the array in A048472.

%Y Row 1 = (1, 2, 5, 13, 33, ...) = A005183.

%Y Row 2 = (1, 3, 9, 25, 65, ...) = A002064.

%Y Cf. A049513.

%Y Essentially the same as A049513.

%K nonn,tabl,easy

%O 0,3

%A _N. J. A. Sloane_, _Clark Kimberling_, _Michael Somos_