29360127

Appears in sequences

• a(n) = Sum_{k=0..floor(n/2)} A026615(n, k).at n=25A026623
• a(n) = 7*2^n - 1.at n=22A086224
• a(n) = 7*4^n-1.at n=11A198694
• Positions of records in A249695.at n=26A249715
• Decimal representation of the middle column of the "Rule 175" elementary cellular automaton starting with a single ON (black) cell.at n=24A267604
• Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 457", based on the 5-celled von Neumann neighborhood.at n=29A288400