694910

Appears in sequences

• Number of 0..28 integer arrays v[1..n] of length n with all autocorrelation values sum(i){v[i]*v[i-k]} distinct for k in 0..n-1.at n=3A171334
• Number of 0..n-1 integer arrays v[1..4] of length 4 with all autocorrelation values sum(i){v[i]*v[i-k]} distinct for k in 0..3.at n=28A171355
• Expansion of g.f. A(x) satisfying A( x^3*A(x) - x^3*A(x)^2 ) = x^4.at n=13A371714