44113domain: NAppears in sequencesExpansion of 1/((1-x)^2*(1-x^2)^2*(1-x^3)*(1-x^4)^2*(1-x^5)).at n=31A069957Binomial transform of cosh(sqrt(2)*x)^2.at n=9A084136Concatenation of n-th nonprime and n-th prime.at n=29A253911a(n) = (a(n-1) * a(n-5) + 1) / a(n-6), a(0) = a(1) = ... = a(5) = 1.at n=32A276529