133212domain: NAppears in sequencesEven elements to the right of the central elements of the 5-Pascal triangle A028313.at n=42A028321Row 6 of table A124550; also equals the self-convolution 6th power of A124566, which is row 6 of table A124560.at n=5A124556Secondary diagonal of table A124550; a(n) = A124550(n+1,n).at n=5A124558