p-INVERT of the positive integers, where p(S) = (1 - S)^5.

Terms

a(0) =5a(1) =25a(2) =110a(3) =450a(4) =1746a(5) =6505a(6) =23465a(7) =82435a(8) =283270a(9) =955258a(10) =3169520a(11) =10368490a(12) =33497790a(13) =107028120a(14) =338582738a(15) =1061557195a(16) =3301399385a(17) =10191612315a(18) =31250047480a(19) =95226980516a(20) =288523285450a(21) =869559080385