70424

Appears in sequences

• Number of binary strings of length n with no substrings equal to 0010 0110 or 1100.at n=18A164498
• Engel expansion of 1 to the base Pi.at n=5A232325
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 581", based on the 5-celled von Neumann neighborhood.at n=41A273071