A191971 Square array A(i,j) related to the square array T(i,j) of A192062.

2, 2, 1, 2, 1, 2, 2, 1, 3, 3, 2, 1, 4, 4, 2, 2, 1, 5, 5, 7, 5, 2, 1, 6, 6, 14, 11, 2, 2, 1, 7, 7, 23, 19, 18, 7, 2, 1, 8, 8, 34, 29, 52, 29, 2, 2, 1, 9, 9, 47, 41, 110, 71, 47, 9, 2, 1, 10, 10, 62, 55, 198, 139, 194, 76, 2, 2, 1, 11, 11, 79, 71, 322, 239, 527, 265, 123, 11, 2, 1, 12, 12, 98, 89, 488, 377, 1154, 666, 724, 199, 2

Offset: 0

Author

Kenneth J Ramsey, Jul 07 2011

Keywords

• nonn
• tabl

Comments

A(i,j) * T(i,j) of A192062 equals T(2*i,j) of A192062. Here j goes from 0 to 12

Examples

			A(3,1) = 4
		

Crossrefs

A192062

Formula

Each column is defined as follows. A(0,j) = 2, A(1,j) = 1, For i>0 A(2*i,j) = j*A(2*i-1,j)+A(2*i-2,j), A(2*i+1,j) = A(2*i,j)+A(2*i-1,j).

For i > 1, A(i+2,j) = A(i,j)*(j+2) - A(i-2,j)

A(6*i,j) = A(2*i,j)*(A(4*i,j)-1)

A(6*i+3,j) = A(2*i+1,j)*(A(4*i+2,j)+1)