234978domain: NAppears in sequencesValues of m such that N=(am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,49.at n=14A064261Expansion of x/(1 - x - 2*x^3 - 2*x^5 - x^7).at n=22A143373