60191

Appears in sequences

• Number of n-length words on {1,2,3,4,5} that contain at most one consecutive 1 and at most two consecutive 2's and at most three consecutive 3's and at most four consecutive 4's and at most five consecutive 5's.at n=7A242509
• Smallest odd number k>1 such that k*2^A000043(n)+1 is a prime number.at n=29A253027
• Concatenation of n-th nonprime and n-th prime.at n=42A253911
• E.g.f. A(x) satisfies A(x) = (1 + (exp(x) - 1) * A(3*x)) / (1 - x).at n=4A367831