157465

Appears in sequences

• Pierpont 4-almost primes: numbers with exactly 4 prime divisors, not necessarily distinct, of the form 2^K*3^L + 1.at n=5A111344
• a(n) = 1 + 3^n * n^3.at n=6A168299
• a(n) = 8*3^n + 1.at n=9A199111
• Cycle lengths obtained by repeated application of the distance-minimizing variant of the strip bijection for the square lattice described in A367150.at n=35A367146