112620

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 = 1,2,29.at n=13A064251
• Numbers k such that k+1, 2k+1, 3k+1, 4k+1 are all prime.at n=29A237189
• Irregular triangle read by rows: T(n,k), n>=1, k>=1, in which column k lists the numbers of A353689 multiplied by A000330(k), and the first element of column k is in row A000217(k).at n=37A353690