-3948

Appears in sequences

• Expansion of x^2*(-3+4*x)/(1-x^3+x^4).at n=44A110061
• Triangle T(n, k) = n! * (Harmonic number(n-k) - Harmonic number(k)), read by rows.at n=33A157525
• a(n) = A171373(n+1) - 2*A171373(n).at n=16A171408
• Triangle, read by rows, T(n, k) = Sum_{j=0..k} (-1)^j*(n+k)!/((n-j)!*(k-j)!*j!).at n=24A176092
• E.g.f. satisfies A(x)^(A(x)^2) = 1 + x*A(x).at n=6A355768