Greedy frac multiples of Pi: a(1)=1, Sum_{n>=1} frac(a(n)*Pi) = 1.

Terms

a(0) =1a(1) =2a(2) =3a(3) =8a(4) =99a(5) =33102a(6) =66317a(7) =265381a(8) =1360120a(9) =25510582a(10) =78256779a(11) =156513558a(12) =209259755a(13) =340262731a(14) =1963319607a(15) =6701487259a(16) =8664806866a(17) =13402974518a(18) =20104461777a(19) =26805949036a(20) =33507436295a(21) =40208923554a(22) =46910410813