242393
domain: N
Properties
Primality
- Prime
- yes
Appears in sequences
- a(n)=Prime(a(n-2)+Pi(a(n-1))), where Prime(n) means n-th prime and Pi(n) means number of primes<=n.at n=11A113483
- 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, 0), (-1, 1, -1), (0, 1, -1), (1, -1, 0), (1, 0, 1)}.at n=11A148810
- Prime numbersat n=21419