32998
domain: N
Appears in sequences
- a(1) = 3; a(n+1) = a(n)-th composite.at n=42A022451
- Number of subsets of {1,2,3,...,n} that sum to 0 mod 64.at n=21A068045
- Numbers k that divide the sum of the digits of k^k in base 2.at n=9A138572
- Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 1, 1), (0, 1, 1), (1, 0, 0), (1, 1, -1)}.at n=8A150289
- Expansion of Product_{k>=1} 1/(1 - k*(x^(2*k-1))).at n=29A266137
- a(n) is obtained by applying the map k -> composite(k) n times, starting at n.at n=37A280327
- a(n) = n!-6*Catalan(n)+5*2^n+4*binomial(n,2)-2*Fibonacci(n)-14*n+20.at n=5A341303