86447
domain: N
Appears in sequences
- Cycle of 3 steps possible for 'concatenate a(n) and nextprime(a(n)) is a prime'.at n=11A034593
- Nonprimes in A078447.at n=12A078877
- Numbers k such that 2^k - 3*k is prime.at n=14A094963
- 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, 0), (0, -1, 1), (1, 0, 0), (1, 1, 0)}.at n=9A150334