313464

Appears in sequences

• Base 4 digital convolution sequence.at n=19A033641
• Solution to the Dancing School Problem with 15 girls and n+15 boys: f(15,n).at n=3A079920
• Solution to the Dancing School Problem with n girls and n+3 boys: f(n,3).at n=14A079922
• Numbers that are the concatenation of two palindromes and that have exactly two palindromic factors, all with the same number of decimal digits.at n=32A355148