a(n) = H(n) * (lcm(1,2,...,n))^2, where H(n) = harmonic numbers (1/1 + 1/2 + ... + 1/n).

A175455

a(n) = H(n) * (lcm(1,2,...,n))^2, where H(n) = harmonic numbers (1/1 + 1/2 + ... + 1/n).

Terms

    a(0) =1a(1) =6a(2) =66a(3) =300a(4) =8220a(5) =8820a(6) =457380a(7) =1917720a(8) =17965080a(9) =18600120a(10) =2320468920a(11) =2384502120a(12) =412970037480a(13) =422245703880a(14) =430902992520

External references