50950
domain: N
Appears in sequences
- Numbers k such that k and k^2 use only the digits 0, 2, 5, 6 and 9.at n=41A136914
- Numbers k such that k and k^2 use only the digits 0, 2, 5, 7 and 9.at n=46A136917
- Numbers k such that k and k^2 use only the digits 0, 2, 5, 8 and 9.at n=24A136919
- Numbers k such that k and k^2 use only the digits 0, 2, 5 and 9.at n=20A136920
- Expansion of (1 + 3*x) / ((1 - 2*x)*sqrt(1 - 4*x)).at n=8A372611