18572
domain: N
Appears in sequences
- Numbers that are the sum of 3 positive 7th powers.at n=13A003370
- Numbers that are the sum of at most 3 positive 7th powers.at n=27A004865
- Numbers n such that sum of first n consecutive prime numbers is pandigital (includes all 10 digits exactly once).at n=1A049442
- a(n) = 1^n + 3^n + 4^n.at n=7A074506
- 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, 1), (0, 1, 0), (1, 0, 1), (1, 1, -1)}.at n=8A150021
- Number of (n+1)X3 0..2 arrays with every 2X2 subblock having nonzero determinant and having the same number of clockwise edge increases as its horizontal and vertical neighbors.at n=3A206122
- Number of (n+1)X5 0..2 arrays with every 2X2 subblock having nonzero determinant and having the same number of clockwise edge increases as its horizontal and vertical neighbors.at n=1A206124
- T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock having nonzero determinant and having the same number of clockwise edge increases as its horizontal and vertical neighbors.at n=11A206128
- T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock having nonzero determinant and having the same number of clockwise edge increases as its horizontal and vertical neighbors.at n=13A206128
- Number of (n+1) X 6 0..1 arrays with the number of rightwards and downwards edge increases in each 2 X 2 subblock equal to the number in all its horizontal and vertical neighbors.at n=10A206264
- Number of idempotent 4 X 4 0..n matrices of rank 1.at n=10A224526
- Numbers k such that the sum of the first k consecutive prime numbers is pandigital (includes all 10 digits at least once).at n=1A228468
- Number of self-inverse permutations p on [n] where the maximal displacement of an element equals 4.at n=13A238915
- Numbers k such that (28*10^k + 173)/3 is prime.at n=26A272537