4294836225
domain: N
Appears in sequences
- a(n) = (2^n - 1)^2.at n=15A060867
- Resultant of the polynomial x^n-1 and the Chebyshev polynomial of the second kind U_2(x).at n=15A085435
- Smallest square k == 1 (mod some n-th power), k > 1.at n=16A088037
- Number of 4 X n 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 0 1 1 vertically.at n=14A208556
- Hilltop maps: number of n X 4 binary arrays indicating the locations of corresponding elements not exceeded by any king-move neighbor in a random 0..3 n X 4 array.at n=7A218238
- Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 5", based on the 5-celled von Neumann neighborhood.at n=15A270007
- Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 73", based on the 5-celled von Neumann neighborhood.at n=15A270088
- Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 89", based on the 5-celled von Neumann neighborhood.at n=15A270130
- Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 659", based on the 5-celled von Neumann neighborhood.at n=15A273385
- Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 913", based on the 5-celled von Neumann neighborhood.at n=15A273767
- Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 969", based on the 5-celled von Neumann neighborhood.at n=15A273848
- a(2n) = A060867(n+1), a(2n+1) = A092440(n+1).at n=30A276918
- a(n) = 9*J(n)^2 where J(n) are the Jacobsthal numbers A001045 with J(0) = 1.at n=16A323210
- Numbers of the form (F_n-2)^2*F_n^2, where F_n is a Fermat prime, A019434. Also the first element of the power-spectral basis of A330829.at n=3A330830
- a(n) is the largest perfect power < 2^n.at n=29A357752
- a(n) is the largest square with n binary digits.at n=29A357754
- a(n) = Sum_{k=0..n} A363914(n, k)*2^(n - k).at n=34A367774