70201

Properties

Appears in sequences

• Number of connected irreducible quasiorders with n labeled points.at n=6A046910
• Lesser member p of sexy primes (p, p+6) such that (p+1, p+2, p+3, p+4, p+5) all have the same number of prime divisors (counted with multiplicity).at n=2A094231
• Number of 6k+5 primes (A007528) in range [2^n,2^(n+1)].at n=20A095016
• Primes p such that the decimal expansion of p remains prime under two iterations of base-10 to base-2 conversions.at n=19A123266
• a(n) = 78*n^2 + 1.at n=30A158769
• Greater of twin primes p such that 3*p-2 is also greater of twin primes.at n=24A177336
• Number of triangular n X n X n arrays colored with integers 0 upwards introduced in row major order, with no element equal to any neighbor, and containing the value n(n+1)/2-2.at n=26A211899
• n^3 + 4*n^2 - 5*n + 1.at n=40A241577
• Prime powers that are equal to the sum of the first k prime powers (not including 1) for some k.at n=28A364797
• Primes such that moving the last digit to the front produces a triangular number.at n=19A384954
• Prime numbersat n=6958