30333
domain: N
Appears in sequences
- Numbers having four 3's in base 10.at n=3A043504
- Negative of column k=3 sequence of array A103728.at n=14A103730
- Near-repdigit semiprimes with 3 as repeated digit.at n=22A105984
- Numbers k such that k and k^2 use only the digits 0, 2, 3, 8 and 9.at n=12A136896
- 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, -1, 0), (0, 0, 1), (0, 1, -1), (1, 0, -1)}.at n=11A148501
- Numbers whose decimal expansion contains only 0's and 3's.at n=23A169966
- Numbers n such that prime(n) + reversal(prime(n)) is a square.at n=25A227371
- Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 241", based on the 5-celled von Neumann neighborhood.at n=33A270990
- Number of intersection points formed by drawing the line segments connecting any two lattice points of an n X m convex lattice polygon written as triangle T(n,m), n >= 1, 1 <= m <= n.at n=39A288180
- Number of irredundant sets in the halved cube graph Q_n/2.at n=5A347720