872415231

Appears in sequences

• a(n) = n*4^n - 1, with a(0) = 1.at n=13A060416
• a(n) = (n+1) * 2^n - 1.at n=25A087323
• a(n) = prime(n) * 4^prime(n) - 1.at n=5A100689
• a(n) = 13*2^n-1.at n=26A198274
• Decimal representation of the middle column of the "Rule 143" elementary cellular automaton starting with a single ON (black) cell.at n=29A267539