22291

Properties

Appears in sequences

• Numbers k such that 33*2^k - 1 is prime.at n=38A002240
• Discriminants of totally complex sextic fields (negated).at n=15A023687
• Numbers whose base-3 representation has exactly 10 runs.at n=19A043590
• Numbers n such that number of runs in the base 3 representation of n is congruent to 0 mod 10.at n=19A043815
• Numbers k such that 3*2^k - 5 is prime.at n=40A057912
• Number of powers x^y (x,y > 1) with n digits.at n=8A060298
• Minimal set of prime-strings in base 10 for primes of the form 4n+3 in the sense of A071062.at n=30A111056
• Primes congruent to 26 mod 61.at n=35A142824
• Prime numbers containing the string 222.at n=10A166580
• Last occurrence of n partitions in A204814.at n=27A205301
• Primes of the form 2*n^2 + 58*n + 27.at n=20A217498
• Number of compositions of n such that the smallest part has multiplicity two.at n=17A241862
• Primes prime(k) such that (prime(k)*prime(k+1)+1)/2 is prime.at n=34A266163
• G.f.: Sum_{n>=0} (n+1)*(n+2)/2 * x^n * (1 + x^n)^n.at n=45A326003
• a(n) = n*A340339(n)+b, where b = 1 if n is even or 2 if n is odd.at n=29A340340
• Smallest prime factor q of (2^(p-1)-1) / (3*p) with prime p such that q is greater than p (increasing p, cf. A359387).at n=32A359650
• Prime numbersat n=2498