101939

Properties

Appears in sequences

• a(n) = a(n-1) + 2*a(n-2) + (-1)^n.at n=17A006904
• Primes which become palindromic primes when the digits are rotated once to the left.at n=36A234912
• a(n) is the smallest number which can be represented as the sum of n distinct positive Fibonacci numbers (1 is allowed twice as a part) in exactly n ways, or -1 if no such number exists.at n=18A359391
• Prime numbersat n=9761