a(1)=1; a(n+1) is the smallest integer > a(n) such that Sum_{k=a(n)..a(n+1)} 1/sqrt(k) > Pi.

Terms

a(0) =1a(1) =5a(2) =14a(3) =28a(4) =46a(5) =69a(6) =97a(7) =130a(8) =168a(9) =211a(10) =259a(11) =311a(12) =368a(13) =430a(14) =497a(15) =569a(16) =646a(17) =728a(18) =815a(19) =907a(20) =1004a(21) =1105a(22) =1211a(23) =1322a(24) =1438a(25) =1559a(26) =1685a(27) =1816a(28) =1952a(29) =2093