99678domain: NAppears in sequencesValues of m such that N=(am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,51.at n=27A064262Number of length n+3 0..5 arrays with every four consecutive terms having the sum of some three elements equal to three times the fourth.at n=24A248534