108393

Appears in sequences

• Expansion of tan(tan(x))*cos(x) (odd powers only).at n=4A009695
• Expansion of tanh(tanh(x))*exp(x).at n=9A009821
• Expansion of -(1+x^2)/((x^2+4*x+1)*(x^2-2*x-1)).at n=8A111644
• Numbers k == 33 (mod 60) such that 2k+1, 2k+5, 3k+2 and 3k+8 are all primes.at n=17A283552
• Numbers k such that 329*2^k+1 is prime.at n=28A322957