241088

Appears in sequences

• Number of binary words of length n containing at least one subword 1000001 and no subwords 10^{i}1 with i<5.at n=49A143285
• Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of f(i,j) = gcd(2^(i-1), 2^(j-1)) (A144464).at n=29A204122
• Number of unimodal maps [1..n]->[0..3].at n=21A223659
• a(n) = Sum_{k=0..n} (-1)^k * binomial(4*n-k+3,n-k).at n=6A390589