-147456

Appears in sequences

• a(n+1)=2a(n)-4a(n-1)+4a(n-2).at n=21A035302
• Row 4 of array in A288580.at n=12A092398
• A triangular sequence from the Z/nZ matrix addition tables as in sequence A095897 as coefficients of characteristic polynomials: M(n,m)=Mod[n + m, d] for n <=m<=d.at n=39A138064
• Triangle read by rows: characteristic polynomials of Z/nZ addition tables considered as matrices.at n=42A140059
• a(n)=(5-(-1)^n-6*n)*2^(n-2).at n=13A179609
• Coefficients in the expansion of 1/([r] + [2r]x + [3r]x^2 + ...); [ ] = floor, r = 3/2.at n=17A279634