531456domain: NAppears in sequencesNumbers m such that N = (am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,53.at n=15A065695Partial sums of A056272.at n=10A099265Numbers representable as x^y + x + y in two or more ways, where x>1, y>1 are integers.at n=2A253777