129920

Appears in sequences

• Binomial transform of (Pell(-n)+Pell(n))/2.at n=11A094038
• Expansion of 1/(1 + x - x^2 - 3*x^3 - x^4 + x^5 + x^6).at n=46A147592
• Number of non-congruent solutions of x^2+y^2 == z^2+w^2 (mod n).at n=39A316148