Index of first occurrence of n in A280055.
A280760
Index of first occurrence of n in A280055.
Terms
- a(0) =1a(1) =2a(2) =5a(3) =16a(4) =58a(5) =440a(6) =17281a(7) =16049141
External references
- oeis: A280760
A280760
Index of first occurrence of n in A280055.