Main diagonal of the array in which first column and row are filled alternatively with 1's or 0's and then T(i,j) = T(i-1,j) + T(i,j-1).
A072547
Main diagonal of the array in which first column and row are filled alternatively with 1's or 0's and then T(i,j) = T(i-1,j) + T(i,j-1).
Terms
- a(0) =1a(1) =0a(2) =2a(3) =6a(4) =22a(5) =80a(6) =296a(7) =1106a(8) =4166a(9) =15792a(10) =60172a(11) =230252a(12) =884236a(13) =3406104a(14) =13154948a(15) =50922986a(16) =197519942a(17) =767502944a(18) =2987013068a(19) =11641557716a(20) =45429853652a(21) =177490745984a(22) =694175171648
External references
- oeis: A072547