6295926

Appears in sequences

• Palindromic triangular numbers.at n=21A003098
• Palindromic binomial coefficients C(n,k) for k >= 2.at n=30A051641
• Triangular numbers whose reverse is also triangular.at n=28A066569
• Largest n-digit palindromic triangular number, or 0 if no such number exists.at n=6A068643
• Number of (n+2)X(n+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00010101 or 01010101.at n=7A261284