644040

Appears in sequences

• Number of length n arrays x(i), i=1..n with x(i) in i..i+6 and no value appearing more than 2 times.at n=6A250349
• Number of length 7 arrays x(i), i=1..7 with x(i) in i..i+n and no value appearing more than 2 times.at n=5A250356