Sum of a(n) terms of 1/k^(3/4) first exceeds n.

Terms

a(0) =1a(1) =2a(2) =3a(3) =7a(4) =12a(5) =20a(6) =31a(7) =46a(8) =67a(9) =94a(10) =128a(11) =170a(12) =222a(13) =285a(14) =361a(15) =452a(16) =558a(17) =682a(18) =826a(19) =991a(20) =1179a(21) =1394a(22) =1637a(23) =1909a(24) =2215a(25) =2556a(26) =2935a(27) =3354a(28) =3817a(29) =4327