157931

Properties

Appears in sequences

• Number of polygons that can be formed from n points on a circle, no two adjacent.at n=10A002816
• Denominators of continued fraction convergents to sqrt(886).at n=14A042713
• Primes with all odd digits such that the next four primes also contain all odd digits.at n=21A068832
• Expansion of 1/(1-x-x^2+x^6+x^8-x^15) - 1/(1-x).at n=30A261666
• Prime numbersat n=14517