a(n) = floor(10000/sqrt(n)).

Terms

a(0) =10000a(1) =7071a(2) =5773a(3) =5000a(4) =4472a(5) =4082a(6) =3779a(7) =3535a(8) =3333a(9) =3162a(10) =3015a(11) =2886a(12) =2773a(13) =2672a(14) =2581a(15) =2500a(16) =2425a(17) =2357a(18) =2294a(19) =2236a(20) =2182a(21) =2132a(22) =2085a(23) =2041a(24) =2000a(25) =1961a(26) =1924a(27) =1889a(28) =1856a(29) =1825