72480

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 = 1,2,27.at n=26A064250
• Values 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=11A065699
• a(n) = 4*n*(21*n - 26).at n=30A263229
• a(n) = 5*n^4 - 6*n^2 + 1. Column 4 of A378066.at n=11A378064