Powerful(1) pentagonal numbers: intersection of A001694 and A000326.
A113937
Powerful(1) pentagonal numbers: intersection of A001694 and A000326.
Terms
- a(0) =1a(1) =9801a(2) =16008300a(3) =94109401a(4) =34346991901a(5) =270990840125a(6) =903638458801
External references
- oeis: A113937