81794

Appears in sequences

• Euler transform of 4 3 2 1 1 1 1 1 1 1 ...at n=17A029860
• Numbers n such that P+n is not irreducible, where P = x^8 - 8*x^6 + 20*x^4 - 16*x^2 + 2.at n=12A136362
• Least positive integer k such that prime(prime(k)), prime(prime(k*n)), prime(p) and prime(q) form a 4-term arithmetic progression for some pair of primes p and q.at n=9A261462