206527

Properties

Appears in sequences

• a(n) is the smallest ludic number L(k) such that the n-th difference of (L(k), ..., L(k+n)) is zero, where L is A003309; a(n) = 0 if no such number exists.at n=16A350006
• Beginning with 11, least prime such that concatenation of first n terms and its digit reversal both are primes.at n=29A380227
• Prime numbersat n=18515