202824domain: NAppears in sequencesa(n) = floor(8^n/5^n).at n=26A094985Numbers k such that both k and k+1 are Zeckendorf-Niven numbers (A328208) and lazy-Fibonacci-Niven numbers (A328212).at n=12A330713Starts of runs of 3 consecutive Niven numbers in base 3/2 (A342426).at n=7A342428