194221
domain: N
Appears in sequences
- Strong pseudoprimes to base 15.at n=23A020241
- a(n) = 1 + n*(n+1)*(n^2-n+12)/12.at n=39A136396
- Sarrus numbers (A001567) that are the average of two consecutive primes.at n=7A265684
- Odd numbers k > 1 such that 2^((k-1)/2) == -(2/k) = -A091337(k) (mod k), where (2/k) is the Jacobi (or Kronecker) symbol.at n=10A306310