177975domain: NAppears in sequencesLeast m such that one less than m-th prime has n divisors (or 0 if no such prime exists).at n=32A072275Binomial transform of [1, 4, 6, 4, 1, 1, -1, 1, -1, 1, ...].at n=38A140227Indices of the prime factors of Fermat numbers in the sequence of primes.at n=10A343557