87376

Appears in sequences

• Terms of A181666 of the form 3*k+1.at n=29A172126
• a(n) = Sum_{k=2..n} 4^k.at n=7A247817
• Numbers that are sums of consecutive powers of 4.at n=42A309759
• Triangular array read by rows: row n shows the coefficients of this polynomial of degree n: p(x,n) = 2^(n-1) ((x+r)^n - (x+s)^n)/(r - s), where r = 2 and s = 1/2.at n=29A327317