80949
domain: N
Appears in sequences
- Convolution of primes with themselves.at n=34A014342
- Numbers k such that 2^k + 9 is prime.at n=50A057196
- Ninth convolution of Schroeder's (second problem) numbers A001003(n), n>=0.at n=6A111997
- Numbers k such that k*(k+1)-1 and k*(k+1)+1 are twin primes and k*(k+3)-1 and k*(k+3)+1 are also twin primes.at n=31A138303