45347
domain: N
Appears in sequences
- n*10^3-1, n*10^3-3, n*10^3-7 and n*10^3-9 are all prime.at n=25A064977
- Numbers m such that m and m+2 are both brilliant numbers, where brilliant numbers are semiprimes whose prime factors have an equal number of decimal digits, or whose prime factors are equal.at n=25A083284
- a(n) = 6*a(n-5) - a(n-10) + 98 with a(0)=0, a(1)=11, a(2)=35, a(3)=56, a(4)=104, a(5)=147, a(6)=204, a(7)=336, a(8)=455, a(9)=731.at n=21A118554
- Expansion of (-5*x^2 + 228*x - 7)/(x^3 - 99*x^2 + 99*x - 1).at n=2A269550
- Number of parts in all partitions of n in which no part occurs more than ten times.at n=29A320613
- Semiprimes that are (perimeter^2 - hypotenuse^2) of a Pythagorean triple.at n=6A389589