840700

Appears in sequences

• Base 7 digits are, in order, the first n terms of the periodic sequence with initial period 1,0.at n=7A033117
• Numbers whose base-7 representation has exactly 8 runs.at n=0A043623
• Number of length 2+2 0..n arrays with no three consecutive terms having the sum of any two elements equal to twice the third.at n=29A248463