2223222

Appears in sequences

• Zeroless numbers n such that n and n*product_of_digits(n) are both palindromes.at n=30A229804
• a(n) = 2*(10^(2n+1)-1)/9 + 10^n.at n=3A332123
• Positive integers m such that m * (m+1) contains at least 8 decimal digits that are in neither m nor m+1.at n=15A381247