173509
domain: N
Appears in sequences
- Numbers whose natural logarithm, in base 10, starts with 10 distinct digits.at n=25A113509
- a(n) = 7*a(n-1) + 42*a(n-2), n>2; a(0)=1, a(1)=1, a(2)=13.at n=6A154999
- Number of 3 X n 0..1 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.at n=9A279979