Numbers belonging to both A077225 and A080797 (in the order in which they appear in A077225).
A090627
Numbers belonging to both A077225 and A080797 (in the order in which they appear in A077225).
Terms
- a(0) =3a(1) =15a(2) =291a(3) =723a(4) =1455a(5) =3615a(6) =8835a(7) =130827a(8) =239595a(9) =273435a(10) =426891a(11) =654135a(12) =2762427a(13) =2820927a(14) =8098527a(15) =16766835a(16) =43558023a(17) =55566015
External references
- oeis: A090627