38508

Appears in sequences

• Number of unreformed permutations of {1,...,n}.at n=7A007711
• Engel expansion of Sum_{k>=0} 1/(1 + k)^k.at n=8A063184
• Numbers k such that 10^k + 6*R_k + 3 is prime, where R_k = 11...1 is the repunit (A002275) of length k.at n=16A102941
• Number of binary strings of length n with equal numbers of 010 and 101 substrings.at n=17A164146