100901

Appears in sequences

• Numbers k such that k^2 contains only digits {0,1,8}, not ending with zero.at n=10A058421
• Structured triakis tetrahedral numbers (vertex structure 4).at n=40A100175
• Numbers k such that k and k^2 use only the digits 0, 1, 5, 8 and 9.at n=40A136874
• Numbers k such that k and k^2 use only the digits 0, 1, 6, 8 and 9.at n=42A136879
• Numbers k such that k and k^2 use only the digits 0, 1, 7, 8 and 9.at n=42A136880
• Numbers k such that k and k^2 use only the digits 0, 1, 8 and 9.at n=40A136881
• Numerators of the convergents given by treating A072193 as continued fraction coefficients after the leading 0.at n=13A391714