86996domain: NAppears in sequencesNumbers n such that n^1+n+1, n^2+n+1, n^3+n+1 and n^4+n+1 are all prime.at n=35A219117Sum of n consecutive fourth powers starting with n^4.at n=7A262925Expansion of e.g.f. cosh( (exp(4*x) - 1)/4 ).at n=7A357650