42273

Appears in sequences

• a(n) = F(n+2) - 2^[ (n+1)/2 ] - 2^[ n/2 ] + 1.at n=22A005673
• a(n) = Fibonacci(2*n)-2^n+1.at n=12A047790
• Integer part of log(n!)^(1 + log(log(1 + n))).at n=37A062475
• 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, 1, -1), (0, 0, 1), (1, 0, -1), (1, 1, 1)}.at n=8A150721
• G.f.: x^3*(2*x-1) / ((1-x)*(1-x-x^2)*(1-2*x^2)).at n=24A174959
• a(n) = Fibonacci(n-2) + 2*a(n-2) - (n mod 2).at n=23A192727
• Row sums of A339033.at n=8A339034
• Triangle read by rows T(n, k) = Sum_{h>=0} Bernoulli(h)*binomial(k+h-1, h)*abs(Stirling1(n, h+k))*n^h for n>=0 and 0<=k<=n.at n=61A339207
• Expansion of e.g.f. exp(-x * (1 - x)) / (1 - x).at n=8A375409