6291431

Properties

Appears in sequences

• a(n) = 6*2^n - n - 5.at n=20A101945
• a(1) = 23, a(2) = 71, a(n) = 3*a(n-1) - 2*a(n-2) for n>2.at n=17A248877
• Primes of the form 3*2^k - 25.at n=11A321356
• Prime numbersat n=431500