123362
domain: N
Appears in sequences
- Number of factorization patterns of polynomials of degree n over F_3.at n=29A006168
- a(0) = 1, a(1) = 2; for n>=2 a(n) is the number of degree-n reducible polynomials over GF(2).at n=17A058766
- Number of subsets of {1,2,3,...,n} that sum to 0 mod 17.at n=21A068038
- Number of integers in {1, 2, ..., 2^n} that are coprime to n.at n=16A074933
- a(n+1) = 2*a(n) + A014017(n+5), a(0) = 0.at n=21A191497
- 2^(n-1) - floor((2^(n-1) - 1)/(n-1)).at n=16A213255