18234
domain: N
Appears in sequences
- Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 30.at n=8A031708
- Output of the linear congruential pseudo-random number generator used in function rand() as described in Kernighan and Ritchie, when seeded with 0.at n=35A096554
- Where record values of A119999 occur.at n=42A120001
- Values of n such that n^a-+a are primes, a=7.at n=8A155022
- a(n) = 225*n^2 + n.at n=8A156814
- a(n) = 81*n^2 + 9.at n=14A157888
- Trisection of A107926: The least number k such that there are primes p and q with p - q = 6*n+4, p + q = k, and p the least such prime >= k/2.at n=34A234956
- Coefficient of y^0 in G(x,y)^3 where G(x,y) = Sum_{n=-oo..+oo} (1-x^n)^n * x^n * y^n.at n=56A263188
- Numbers k such that 4*10^k - 57 is prime.at n=24A281642
- Expansion of e.g.f. ( Product_{k>0} (1+x^k) )^(1/(1-x)).at n=6A356393
- Indices k such that A358128(k) is a square.at n=44A358130
- Numbers k such that the powerful part of the sum of divisors of k (A387726) is greater than or equal to k, and sigma(k) is not itself a powerful number.at n=17A387729