Nearest integer to 1/(Sum_{k>=n} 1/k^4).

Terms

a(0) =1a(1) =12a(2) =50a(3) =134a(4) =280a(5) =507a(6) =834a(7) =1277a(8) =1855a(9) =2586a(10) =3489a(11) =4580a(12) =5878a(13) =7401a(14) =9168a(15) =11195a(16) =13501a(17) =16104a(18) =19023a(19) =22274a(20) =25876a(21) =29847a(22) =34206a(23) =38969a(24) =44155a(25) =49782a(26) =55869a(27) =62432a(28) =69490a(29) =77061