594441
domain: N
Appears in sequences
- a(n+1) is the smallest square > a(n) such that every concatenation (n > 1) is a prime.at n=13A087352
- 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), (-1, 0, -1), (1, 0, 1), (1, 1, -1)}.at n=12A148700
- Number of walks within N^2 (the first quadrant of Z^2) starting at (0,0) and consisting of n steps taken from {(-1, 1), (-1, 0), (0, -1), (0, 1), (1, -1)}.at n=12A151268
- Squares that become a prime number when prefixed with a 5.at n=24A167720
- Numbers n such that (the sum of the divisors of n) plus (the sum of the squares of the divisors of n) plus (the sum of the cubes of the divisors of n) is a prime number.at n=23A220586
- Number of n X 2 0..2 arrays with rows, antidiagonals and columns unimodal.at n=9A223719