44323
domain: N
Appears in sequences
- Number of proper factorizations of p1^n*p2^7, where p1 and p2 are distinct primes.at n=13A031130
- Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 53 ones.at n=4A031821
- Least number requiring the base n to produce a prime by base reversal.at n=28A075244
- Number of nX4 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,0,1,0,1 for x=0,1,2,3,4.at n=4A197668
- Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,0,1,0,1 for x=0,1,2,3,4.at n=3A197669
- T(n,k)=Number of nXk 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 4,0,1,0,1 for x=0,1,2,3,4.at n=31A197672
- T(n,k)=Number of nXk 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 4,0,1,0,1 for x=0,1,2,3,4.at n=32A197672
- a(n) = p(n)*p(n+1)*(p(n+1) - p(n)) + 1, where p(n) = prime(n).at n=22A383242