1444444

Appears in sequences

• Expansion of (1+x)^2/((1-x)*(1-10*x^2)).at n=12A094627
• Expansion of (1+3x)/((1-x)(1-10x)).at n=6A099914
• Smallest number with n nonprime substrings (Version 2: substrings with leading zeros are counted as nonprime if the corresponding number is > 0).at n=28A213303
• Smallest number with n nonprime substrings (Version 3: substrings with leading zeros are counted as nonprime if the corresponding number is not a prime).at n=28A213304