333450

Appears in sequences

• Values of m such that N=(am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,31.at n=23A064252
• Values of m such that N = (m+1)(2m+1)(71m+1) is a 3-Carmichael number (A087788).at n=17A065703
• The Wiener index of the Kneser graph K(n,2) (n>=5).at n=35A228306
• Number of ways to place 2 points on a triangular grid of side n so that they are not adjacent.at n=38A239568