22269

Appears in sequences

• Fibonacci sequence beginning 1, 8.at n=18A022098
• a(n) = 3*a(n-1) - a(n-2) with a(0)=1, a(1)=9.at n=9A055849
• a(n) = (2*n - 1)*(3*n^2 - 3*n + 2)/2.at n=19A063491
• Numbers that reach the fixed point 89 under iteration of f(x) = reverse(x) - maxdigit(x).at n=28A097155
• Sum of all n-digit Lucas numbers.at n=3A116964
• A093483(n) + 1.at n=7A117480
• Numbers of the form 68+p^2 (where p is a prime).at n=34A138691
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, 1), (-1, 1, 1), (1, 0, -1), (1, 1, 1)}.at n=8A149647
• Least integer k such that k/2^n > e.at n=13A293337
• 32-gonal numbers: a(n) = n*(15*n-14).at n=39A360436
• (2,2)-block array, B(2,1), of the Wythoff array (A035513), read by descending antidiagonals.at n=38A361994
• a(n) = n! * Sum_{k=0..n} (-1)^(n-k) * binomial(k+2,3) / k!.at n=9A368585