48771

Appears in sequences

• Number of partitions of n that do not contain 2 as a part.at n=49A027336
• Numbers n such that F_n(x) and F_n(1-x) have a common factor mod 2, with F_n(x) = U(n-1,x/2) the monic Chebyshev polynomials of second kind; this lists only the primitive elements of the set.at n=20A094425
• a(0)=0: a(n)=A002865(2*n)+A002865(2*n+1), n>=1.at n=24A182844
• a(n) = floor((1 + 2^n)/(1 + 2*n)).at n=20A191633
• Integers of the form (2^k + 1)/(2k + 1).at n=7A247094
• a(n) = (2*(-4)^((p-3)/4) + 1)/p, where p is the n-th prime congruent to 3 mod 4.at n=6A318908
• Odd numbers m such that at least one of the factors of Stern polynomial B(m,x) has at least one negative coefficient.at n=25A389915