M000286

$$\pi=224648447456\arctan\left(\frac{1}{138873731225}\right)+177654726720\arctan\left(\frac{1}{148431551771}\right)-134237498118\arctan\left(\frac{1}{168722145007}\right)+125736081286\arctan\left(\frac{1}{202954204459}\right)-42080107266\arctan\left(\frac{1}{218123852367}\right)-86246172578\arctan\left(\frac{1}{250645741818}\right)+94069213216\arctan\left(\frac{1}{261002206018}\right)+99642962706\arctan\left(\frac{1}{269007136889}\right)+85503479620\arctan\left(\frac{1}{548275361132}\right)+74409349014\arctan\left(\frac{1}{656902304557}\right)+91529556198\arctan\left(\frac{1}{1372432573478}\right)-30306300746\arctan\left(\frac{1}{3761284561432}\right)-18054250312\arctan\left(\frac{1}{5745192731179}\right)-17828968844\arctan\left(\frac{2}{13078246979509}\right)+66241836426\arctan\left(\frac{1}{8589803519307}\right)-135821729862\arctan\left(\frac{1}{10892900268195}\right)-78290787002\arctan\left(\frac{1}{17780261434697}\right)-113876870462\arctan\left(\frac{1}{25331597869589}\right)+29570125506\arctan\left(\frac{1}{38759264489343}\right)+52405391548\arctan\left(\frac{1}{165171481279982}\right)+73041191872\arctan\left(\frac{1}{169838669284032}\right)-80691245808\arctan\left(\frac{1}{342036110675693}\right)-160094285298\arctan\left(\frac{1}{772654028018543}\right)-115991851386\arctan\left(\frac{1}{1948025182233307}\right)$$