75051

Appears in sequences

• a(n) = b(n) + d(n), where b(n) = (n-th Fibonacci number > 2 ) and d(n) = (n-th number that is 1, 2, or 3, or is not a Lucas number).at n=21A023502
• Expansion of (1-x)^(-1)/(1-2*x^2+x^3).at n=26A077880
• Number of vertices at level n of the hyperbolic Pascal pyramid PP_(4,5).at n=13A293066
• Numbers k such that A162296(k) = A162296(k+1) > 0.at n=6A362400