First differences of even superperfect numbers A061652.
A139234
First differences of even superperfect numbers A061652.
Terms
- a(0) =2a(1) =12a(2) =48a(3) =4032a(4) =61440a(5) =196608a(6) =1073479680
External references
- oeis: A139234
A139234
First differences of even superperfect numbers A061652.