136540domain: NAppears in sequencesa(n+3) = 5*a(n+2)-4*a(n+1)+a(n).at n=10A012886Least n such that nextprime(p*n) > p*nextprime(n) where p runs through the prime numbers (if p is prime then nextprime(p)=p).at n=29A117102Coefficients in the expansion of 1/([r]-[2*r]*x+[3*r]*x^2-...); [ ]=floor, r=sqrt(11/4).at n=20A288237