-4932domain: ZAppears in sequencesSigned array used for numerators of generating functions of the column sequences of array A090452.at n=40A091029Triangular sequence produced from symmetrical power of two matrices of the general type: M={{1, 2, 4, 8}, {2, 1, 2, 4}, {4, 2, 1, 2}, {8, 4, 2, 1}}.at n=24A129964