199921

Properties

Appears in sequences

• Sizes of successive balls in E_8 lattice.at n=7A046948
• Primes of the form 7n^2 - 6.at n=17A201852
• a(n) is the smallest prime q such that q + prime(n) is of form 10^k or 2*10^k, or 0 if no such prime exists.at n=21A382035
• Prime numbersat n=17979