2485463

Appears in sequences

• Number of base 13 circular n-digit numbers with adjacent digits differing by 8 or less.at n=6A125448
• a(n) is the number of odd numbers k in range [2^n, (2^(n+1))-1] such that all terms in finite sequence [k, floor(k/2), floor(k/4), floor(k/8), ..., 1] are squarefree.at n=50A293441