MUMPS program for calculating A345256(n) using Merab Leviashvili's formula. Using it, 300 terms computed by Dimitar Tsvetkov were checked. A345256(n) ; Calculating A345256(n) ; using Merab Leviashvili's formula. ; Written by Talmon Silver ;------------------------- new pi,p2,ph,m,o,x,ax set pi=3.141592653589793238462643383279502884 set p2=pi*2,ph=pi/2 set m=n/pi,o=n\ph#4 set (x,ax)=$$^%SIN(n)*n/p2 if ax<0 set ax=-ax quit @("$$"_o) ; 0() quit m\1**2+(x+.25\1*2) 1() quit m+.5\1**2-1-(x+.25\1*2) 2() quit m\1**2-1+(ax+.75\1*2) 3() quit m+.5\1**2-(ax+.75\1*2)