143177

Properties

Appears in sequences

• Number of vertices in an equal-armed cross with arms of length n (see Comments in A331456 for definition).at n=11A333035
• a(n) is the largest integer k such that there is an integer m with exactly n nonunitary prime factors and m + A005117(i) is squarefree for 1 <= i <= k.at n=40A390138
• Prime numbersat n=13276