68223

Appears in sequences

• Number of terms in n-th derivative of a function composed with itself 5 times.at n=14A022813
• a(n) = 5n^4 - 4n^3 + 3n^2 - 2n + 1.at n=11A131466
• a(n) = 4*n^3 - 3*n^2 - 2*n - 1.at n=26A268644