39968

Appears in sequences

• Number of factorization patterns of polynomials of degree n over F_2.at n=30A006167
• Numbers k such that abs(prime(k)-k*tau(k)) < sqrt(k).at n=41A068543
• Number of partitions of 2*n with no part divisible by 3 and all odd parts occurring with even multiplicities.at n=34A098151
• Expansion of phi(q^3) / phi(q) in powers of q where phi() is a Ramanujan theta function.at n=34A132002
• Triangle Q, read by rows, where column k of Q equals column 0 of Q^(k+1) and Q is equal to the matrix square of integer triangle P = A135880 such that column 0 of Q equals column 0 of P shift left.at n=30A135885
• Column 2 of triangle Q = A135885; also equals column 0 of Q^3 = A135893.at n=5A135887
• Triangle, read by rows, equal to P^6, where triangle P = A135880; also equals Q^3 where Q = P^2 = A135885.at n=15A135893
• Triangle, read by rows equal to the matrix product P*R^-1*P, where P = A135880 and R = A135894; P*R^-1*P equals triangle Q=A135885 shifted down one row.at n=38A135899
• Partial sums of A294629.at n=34A294630