48109

Properties

Appears in sequences

• Fibonacci sequence beginning 1, 18.at n=18A022108
• Primes followed by a [10,2,10] prime difference pattern of A001223.at n=35A052376
• List of Ormiston prime pairs.at n=29A072274
• Numerators of convergents of the continued fraction with the n+1 partial quotients: [1;1,1,...(n 1's)...,1,n+1], starting with [1], [1;2], [1;1,3], [1;1,1,4], ...at n=17A088209
• Numbers k such that 10^k + 9 is prime.at n=19A088275
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 0, 1), (0, 1, 0), (1, 0, -1), (1, 1, 1)}.at n=8A150633
• Smallest prime factor of the semiprime 2^A165767(n)-A165767(n).at n=33A165768
• The smallest prime(m) such that prime(m) = (prime(m+k)+prime(m-k))/2 for n values of k.at n=19A189802
• Number of ways to split a strict composition of n into contiguous subsequences with different sums.at n=22A336128
• Primes p such that 10^p+3 or 10^p+9 is also prime.at n=8A359630
• Prime numbers followed by two consecutive numbers which are products of four distinct primes (or tetraprimes).at n=15A362578
• Prime numbersat n=4954