Index of first appearance of n in the triangular-based nachos numbers A281367.
A281368
Index of first appearance of n in the triangular-based nachos numbers A281367.
Terms
- a(0) =1a(1) =2a(2) =3a(3) =7a(4) =17a(5) =52a(6) =217a(7) =1757a(8) =35977a(9) =3244071a(10) =2757063867
External references
- oeis: A281368