24849643

Appears in sequences

• Number of nonnegative integer arrays of length n+7 with new values 0 upwards introduced in order, no three adjacent elements equal, and containing the value 7.at n=6A211834
• Number of nonnegative integer arrays of length n+8 with new values 0 upwards introduced in order, no three adjacent elements equal, and containing the value n+1.at n=5A211841