114679

Properties

Appears in sequences

• Numbers n such that n, 10*n+1, 10*n+3, 10*n+7 and 10*n+9 are all primes.at n=29A067267
• a(1) = 3, a(n + 1) = 1 + a(n) + least odd prime factor of a(n).at n=39A144751
• Primes of the form 7n^2 - 9.at n=27A201854
• Primes p such that A001177(p) = (p-1)/9.at n=36A308802
• a(n) is the smallest centered triangular number with binary weight n.at n=14A359315
• Prime numbersat n=10846