f^{(100)}(0) + 2 f^{(51)}(0) = -\ln^{97} 3 (-7 \ln^3 3 + 200 \ln^2 3 + 100 \cdot 99 \cdot 98) + 2 \ln^{48}3 (-7 \ln^3 3 + 102 \ln^2 3 + 51 \cdot 50 \cdot 49)