172421

Properties

Appears in sequences

• Expansion of 1/(1-x^2-x^3-x^4-x^5-x^6-x^7-x^8-x^9).at n=28A013986
• Primes p such that the differences between the 5 consecutive primes starting with p are (2,4,6,6).at n=12A078947
• Prime numbers p such that x^2 + x + p produces primes for x = 0..4 but not x = 5.at n=24A210363
• Lesser of twin self primes, i.e., smaller member of the pair of self primes differing by 2.at n=16A380713
• Prime numbersat n=15703