255180domain: NAppears in sequencesValues of m such that N = (am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,63.at n=24A065699Number of length 4 1..(n+1) arrays with every leading partial sum divisible by 2, 3 or 5.at n=29A254831T(n,k) is the number of bounded regions in B(k, n) (see link).at n=25A363907