48007

Appears in sequences

• Gaps of 6 in sequence A038593 (lower terms).at n=10A038651
• Numbers whose base-6 representation has exactly 7 runs.at n=11A043615
• The (1,1)-entry in the 3 X 3 matrix M^n, where M = [1,2,1 / 2,2,0 / 1,0,0].at n=8A100191
• Expansion of g.f.: x^2*(1-2*x) / (1-3*x-3*x^2+2*x^3).at n=10A123950
• Floor(n^n/n!) - ceiling(2^n/n).at n=12A127642
• Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 1101-0111-0010 pattern in any orientation.at n=11A147240
• a(n) = 3*(2^(n+1)-2)*(2^(n+1)-1) + 1.at n=6A169727
• Number of self-inverse permutations in S_n with longest increasing subsequence of length 10.at n=5A217322
• Number of (n+1) X (3+1) 0..1 arrays with no 2 X 2 subblock having the sum of its diagonal elements greater than the maximum of its antidiagonal elements.at n=15A251123
• Composite numbers k such that k-1 divides 2^k-2.at n=33A330382