-1262

Appears in sequences

• Shifts left when Moebius transformation applied twice.at n=56A007551
• Numerator of Hermite(n, 7/27).at n=2A160107
• Triangle read by rows: T(n,k) is the coefficient A_k in the transformation Sum_{k=0..n} x^k = Sum_{k=0..n} A_k*(x-3*(-1)^k)^k.at n=11A249269
• Square array T(n,k), n>=0, k>=0, read by antidiagonals, where T(0,k) = 1 and T(n,k) = (1/n) * Sum_{j=1..n} (-k)^(n-j) * binomial(n,j) * binomial(n,j-1) for n > 0.at n=74A336727
• G.f. A(x) satisfies: A(x) = 1 + x * A(x) / (1 + 3 * x * A(x)).at n=8A336729
• Numerators of the partial alternating sums of the reciprocals of the powerfree part function (A055231).at n=15A379581