351792

Appears in sequences

• Main diagonal in the array A158825 of coefficients of successive iterations of x*C(x), where C(x) is the Catalan function (A000108).at n=6A158832
• a(n) = B(n+2)-3*B(n+1)+B(n), where B(i) are the Bell numbers A000110.at n=9A226506