115979

Properties

Appears in sequences

• Primes of the form 2*k*prime(k) + 1.at n=27A062403
• a(n) = if Floor[(2*Pi/E)*m^2] is prime then Floor[(2*Pi/E)*m^2].at n=22A090434
• Lesser of twin primes p1 such that p1^3 + p2^2 are average of twin primes. p1 and p2 twin primes, p1 < p2.at n=15A139778
• Number of (n+1) X 3 0..2 arrays with every 2 X 2 subblock singular.at n=3A185514
• Number of (n+1)X5 0..2 arrays with every 2X2 subblock singular.at n=1A185516
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock singular.at n=11A185521
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock singular.at n=13A185521
• a(n) = (A242804(n)-9)/12.at n=8A257044
• a(n) is the number of ones in the binary expansion of 10^(10^n).at n=5A379446
• Prime numbersat n=10962