33375

Appears in sequences

• a(1) = 5; a(n+1) = a(n)-th nonprime, where nonprimes begin at 0.at n=44A025001
• a(n) = (2*n+1)*(12*n+1).at n=37A033576
• Expansion of e.g.f. exp(x) * log(1-x)/(x-1).at n=7A073596
• Numbers k such that 4*k-1, 8*k-1, 16*k-1 and 32*k-1 are all primes.at n=22A101794
• Numbers n for which 2n-1, 4n-1, 8n-1, 16n-1 and 32n-1 are primes.at n=6A124017
• Numbers k for which 2*k-1, 4*k-1, 8*k-1 and 16*k-1 are primes.at n=29A124494
• 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, 0, 1), (0, 1, 0), (0, 1, 1), (1, -1, -1)}.at n=9A149903
• Number of "ON" cells at n-th stage of three-dimensional version of the cellular automaton A160414 using cubes.at n=20A161340
• Number of compositions of n with exactly 2 transitions between different parts.at n=43A244714
• Triangle read by rows, T(n,k) = Sum_{j=0..n} (-1)^(n-j)*C(-j,-n)*S1(j,k), S1 the Stirling cycle numbers A132393, for n>=0 and 0<=k<=n.at n=38A269951