44694

Appears in sequences

• Numbers k such that the three second-degree cyclotomic polynomials x^2 + 1, x^2 - x + 1 and x^2 + x + 1 are simultaneously prime when evaluated at x=k.at n=25A087277
• Expansion of 2*x*(x+2) / ((x-1)*(x^2+6*x-1)).at n=5A089154
• Numbers n such that 6*10^n + 5*R_n - 4 is prime, where R_n = 11...1 is the repunit (A002275) of length n.at n=23A103038
• 5-almost primes with semiprime digits (digits 4, 6, 9 only).at n=14A111697
• Binomial transform of the squared rows of the table A072233 (A008284).at n=10A238314
• Number of n X 3 0..1 arrays with no element unequal to a strict majority of its horizontal, vertical and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.at n=11A280064
• Starts of runs of 3 consecutive Zeckendorf-Niven numbers (A328208).at n=31A328210
• Number of integer partitions of n such that the least part plus the greatest part is odd.at n=44A390092