b,d=1,f[2000],g;main(i){for(;b=b?:1996+4*printf(i?"%d":".6",d)*--i;)d=(f[b]=--b*d+!i*210+f[--b]%(g=b*5?:21)*10)/g;}
Note that non-ascii characters in the above source code will be escaped (such as \x9f).
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