117643

Properties

Appears in sequences

• a(n) = 7^n - n.at n=6A024076
• Primes of the form p^k - p + 1 for prime p.at n=26A034915
• Primes which are a concatenation of n and prime(n).at n=28A084667
• Largest prime <= 7^n.at n=5A104092
• Triangle read by rows n>=0: the largest prime <= m^n+2 in columns m=3..n+3.at n=25A118132
• Prime numbers of the form 7^k +- 6.at n=4A144236
• Integers N such that by inserting + or - or * or / or ^ between each of their digits, without any grouping parentheses, you can get N (the ambiguous a^b^c is avoided).at n=30A156954
• a(n) = 7^n-6.at n=5A164783
• Greatest prime closest to n^3.at n=48A181758
• Primes of the form n^3-6.at n=5A201310
• Primes of the form 7^n - n.at n=1A224468
• Primes among "orderly" Friedman numbers A080035.at n=10A252483
• Primes of the form (n+1)^n - n.at n=2A254121
• Prime numbers of the form 7^k - 6.at n=2A291861
• a(n) = Sum_{1 <= x_1, x_2, x_3, x_4, x_5 <= n} n/gcd(x_1, x_2, x_3, x_4, x_5, n).at n=6A371878
• Prime numbersat n=11098