a(n) = lcm(A260443(n), A260443(1+n)).

Terms

a(0) =2a(1) =6a(2) =6a(3) =30a(4) =90a(5) =90a(6) =30a(7) =210a(8) =630a(9) =450a(10) =1350a(11) =1890a(12) =3150a(13) =3150a(14) =210a(15) =2310a(16) =6930a(17) =3150a(18) =47250a(19) =330750a(20) =992250a(21) =141750a(22) =47250a(23) =103950a(24) =173250a(25) =110250a(26) =330750a(27) =519750a(28) =242550a(29) =242550