Partial sums of floor(n^2/8).

Terms

a(0) =0a(1) =0a(2) =0a(3) =1a(4) =3a(5) =6a(6) =10a(7) =16a(8) =24a(9) =34a(10) =46a(11) =61a(12) =79a(13) =100a(14) =124a(15) =152a(16) =184a(17) =220a(18) =260a(19) =305a(20) =355a(21) =410a(22) =470a(23) =536a(24) =608a(25) =686a(26) =770a(27) =861a(28) =959a(29) =1064