1333311

Appears in sequences

• Expansion of (1 + 11*x - 90*x^2 - 1100*x^3)/(1 - 201*x^2 + 10100*x^4).at n=6A097115
• Numbers k such that k and k^2 use only the digits 1, 2, 3, 7 and 8.at n=9A136982