Number of digits of the (10^n)-th tetranacci number (A000078(10^n)).
A097353
Number of digits of the (10^n)-th tetranacci number (A000078(10^n)).
Terms
- a(0) =1a(1) =2a(2) =28a(3) =284a(4) =2849a(5) =28500a(6) =285008a(7) =2850083a(8) =28500834a(9) =285008350a(10) =2850083504a(11) =28500835049a(12) =285008350498
External references
- oeis: A097353