122424246
domain: N
Appears in sequences
- Least n-digit multiple of n such that the r-th digit is prime if r is a prime else it is composite. The location and value of the most significant digit is 1. 0 if no such number exists.at n=8A113572
- Concatenation of the first n entries of the difference sequence of prime numbers (see A001223).at n=8A255307