500050
domain: N
Appears in sequences
- a(n) = A069537(n)/2.at n=17A088404
- Numbers k such that k and k^2 use only the digits 0, 2, 3 and 5.at n=30A136887
- Numbers k such that k and k^2 use only the digits 0, 2, 3, 5 and 7.at n=40A136889
- Numbers k such that k and k^2 use only the digits 0, 2, 3, 5 and 8.at n=45A136890
- Numbers k such that k and k^2 use only the digits 0, 2 and 5.at n=14A136910
- Numbers k such that k and k^2 use only the digits 0, 2, 5 and 6.at n=41A136911
- Numbers k such that k and k^2 use only the digits 0, 2, 5 and 7.at n=18A136915
- Numbers k such that k and k^2 use only the digits 0, 2, 5, 7 and 8.at n=43A136916
- Numbers k such that k and k^2 use only the digits 0, 2, 5 and 8.at n=19A136918
- Numbers k such that k and k^2 use only the digits 0, 2, 5, 8 and 9.at n=40A136919
- Numbers k such that k and k^2 use only the digits 0, 2, 5 and 9.at n=28A136920
- Positive integers n such that the sum of the squares of all the substring decompositions of n is a multiple of n.at n=37A154562
- n^2*(n^4+1)/2.at n=10A168122
- Numbers whose decimal expansion contains only 0's and 5's.at n=34A169964
- Numbers in which each digit equals the sum (mod 10) of the other digits.at n=24A226468