186681

Appears in sequences

• Beginning with 2, smallest palindrome >= the previous term such that every concatenation is a prime.at n=22A088093
• Number of n X 2 arrays of the minimum value of corresponding elements and their horizontal, vertical or diagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 n X 2 array.at n=39A219810