Sum of the integer part of 3/2-th roots of integers less than n.

Terms

a(0) =0a(1) =1a(2) =2a(3) =4a(4) =6a(5) =8a(6) =11a(7) =14a(8) =18a(9) =22a(10) =26a(11) =30a(12) =35a(13) =40a(14) =45a(15) =51a(16) =57a(17) =63a(18) =69a(19) =76a(20) =83a(21) =90a(22) =97a(23) =105a(24) =113a(25) =121a(26) =129a(27) =138a(28) =147a(29) =156