Total volume of all rectangular prisms with dimensions p, q and (p + q)/2 such that p and q are squarefree, n = p + q and p <= q.
A303222
Total volume of all rectangular prisms with dimensions p, q and (p + q)/2 such that p and q are squarefree, n = p + q and p <= q.
Terms
- a(0) =0a(1) =1a(2) =3a(3) =14a(4) =15a(5) =42a(6) =56a(7) =136a(8) =144a(9) =230a(10) =220a(11) =612a(12) =611a(13) =665a(14) =675a(15) =1576a(16) =1768a(17) =1836a(18) =1729a(19) =4200a(20) =3528a(21) =4279a(22) =3404a(23) =7524a(24) =6625a(25) =8333a(26) =8289a(27) =14336a(28) =11165a(29) =12675
External references
- oeis: A303222