99399

Appears in sequences

• Define the sequence T(a(0),a(1)) by a(n+2) is the greatest integer such that a(n+2)/a(n+1) < a(n+1)/a(n) for n >= 0. This is T(3,7).at n=13A019489
• Define the sequence T(a(0),a(1)) by a(n+2) is the greatest integer such that a(n+2)/a(n+1) < a(n+1)/a(n) for n >= 0. This is T(16,36).at n=11A022040
• Numbers having four 9's in base 10.at n=21A043528
• Largest palindrome using minimum number of digits with a digit sum = n.at n=39A070244
• Expansion of (1-x)^(-1)/(1-2*x-x^3).at n=14A077852
• a(n) = 10^(2n+1) - 1 - 6*10^n.at n=2A332193