567765

Appears in sequences

• Palindromes of form k^2 + k + 3.at n=12A027715
• Number of 2 X 2 matrices having all terms in {-n,...,0,...,n} and 0 <= determinant <= n.at n=32A211146
• Antidiagonal sums of the convolution array A213844.at n=29A213846
• Smallest palindrome which requires at least n iterations of Reverse and Add to reach a palindrome.at n=29A222533
• Subsequence of A071395. The extra constraint is m is not a term if m*q/p is abundant where prime p|m and q is the least prime larger than p.at n=30A333967