-16777213

Appears in sequences

• a(0)=1. a(n)= -2^(n-1)-3*(-1)^n, n>1.at n=25A156067
• a(n) = -3a(n-1) - 3a(n-2) - 2a(n-3), n > 3.at n=25A158927
• The Worpitzky transform of the squares.at n=23A344920