131102
domain: N
Appears in sequences
- Sums of two (not necessarily distinct) Mersenne primes (A000668).at n=17A171251
- Number of (n+1) X (4+1) 0..1 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nonincreasing x(i,j)-x(i-1,j) in the j direction.at n=15A250738
- Numbers whose derivative is equal to the arithmetic derivative.at n=43A273993