5000050
domain: N
Appears in sequences
- a(n) = A069537(n)/2.at n=23A088404
- Numbers k such that k and k^2 use only the digits 0, 2 and 5.at n=20A136910
- Numbers k such that k and k^2 use only the digits 0, 2, 5 and 7.at n=27A136915
- Numbers k such that k and k^2 use only the digits 0, 2, 5 and 8.at n=30A136918
- Numbers k such that k and k^2 use only the digits 0, 2, 5 and 9.at n=46A136920
- a(n) = n^2*(n^5+1)/2.at n=10A168123