Sums of distinct factorials that are of the form x^2 - 1.

A363212

Sums of distinct factorials that are of the form x^2 - 1.

Terms

    a(0) =0a(1) =3a(2) =8a(3) =24a(4) =120a(5) =728a(6) =840a(7) =5040a(8) =45368a(9) =46224a(10) =363608a(11) =403224a(12) =3674888

External references