70620domain: NAppears in sequencesValues of m such that N = (am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,69.at n=6A065702Index of first occurrence of n in A109883, or -1 if n does not occur in A109883.at n=17A109886Expansion of Product_{k>=1} (1 + x^(2*k - 1))^(k^2).at n=24A294749