64000000000
domain: N
Appears in sequences
- Cubes with all digits even.at n=14A034376
- a(1) = 8; for n > 1, a(n+1) = a(n) * sum of digits of a(n).at n=10A047900
- a(1)=1 and for n>1, a(n) is the smallest multiple of a(n-1) which has no nonzero digit in common with a(n-1).at n=24A079838
- Numbers k such that k and k^2 use only the digits 0, 4, 5, 6 and 9.at n=10A136950
- Numbers k such that k and k^2 use only the digits 0, 4, 6 and 9.at n=10A136957
- Cubes (with at least two digits) that become squares when their rightmost digit is removed.at n=19A234787
- Number of (n+2) X (1+2) 0..3 arrays with nondecreasing sum of every three consecutive values in every row and column.at n=5A250861
- Number of (n+2)X(6+2) 0..3 arrays with nondecreasing sum of every three consecutive values in every row and column.at n=0A250866
- T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with nondecreasing sum of every three consecutive values in every row and column.at n=15A250868
- Number of (n+2)X(6+2) 0..1 arrays with nondecreasing sum of every three consecutive values in every row and column.at n=6A251191
- Perfect cubes whose decimal digits appear in nonincreasing order.at n=12A352721