99091

Appears in sequences

• a(1)=10; a(n)=a(n-1)*10 -/+ 1 (alternating).at n=4A179557
• Number of (n+1) X (5+1) 0..1 arrays with every 2 X 2 subblock antidiagonal maximum minus diagonal minimum nondecreasing horizontally and diagonal maximum minus antidiagonal minimum nondecreasing vertically.at n=38A253394
• Indices of the Sylvester primes (A375543) in the primes (A000040).at n=24A375545