351258domain: NAppears in sequencesValues of m such that N=(am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,37.at n=31A064255Number of Hamiltonian cycles in C_9 X P_n.at n=4A180585Averages k of twin prime pairs such that A075255(k) is also the average of a twin prime pair.at n=37A340570