103863
domain: N
Appears in sequences
- Numbers k such that 7*2^k + 3 is prime.at n=25A058592
- G.f.: Sum_{n>=0} x^n/Product_{k=1..n} (1 - A002203(k)*x^k + (-1)^k*x^(2*k)), where A002203 is the companion Pell numbers.at n=12A206141
- Products of three distinct primes p1, p2 and p3 (sphenic numbers) with p1<p2 and p3 is the concatenation of p1 with p2.at n=22A281592