78687

Appears in sequences

• Palindromes of form k^2 + k + 7.at n=6A027723
• Palindromic numbers which are the difference of two positive cubes.at n=17A038808
• Expansion of Product_{k>=1} 1/(1 - x^(2*k-1))^(k*(3*k+1)/2).at n=17A294668