4294967263

Appears in sequences

• Eulerian numbers (Euler's triangle: column k=2 of A008292, column k=1 of A173018).at n=32A000295
• Numerator of Sum_{i=1..n} i/2^i.at n=31A036295
• Numerator of the probability that the sum of n uniform picks on [0,1] is first greater than 2 (i.e., the sum of n-1 is not).at n=32A090137
• Semiprimes of the form 2^k-k-1.at n=7A099442
• a(n) = 2^(n+1) - n - 2, or partial sums of main diagonal of array A125127 of k-step Lucas numbers.at n=30A125128
• a(n) = 4^n - 2*n - 1.at n=15A289255
• Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 557", based on the 5-celled von Neumann neighborhood.at n=31A289373
• Number of even permutations on {1,2,...,n} with exactly 2 weak excedances.at n=33A293046