a(n) is the least number k such that A071866(k) = n, or -1 if no such k exists.
A374235
a(n) is the least number k such that A071866(k) = n, or -1 if no such k exists.
Terms
- a(0) =1a(1) =2a(2) =4a(3) =68a(4) =46a(5) =221a(6) =757a(7) =5518a(8) =65106a(9) =1293698a(10) =3997147a(11) =4009564363
External references
- oeis: A374235