234881024

Appears in sequences

• a(n) = 7*2^n.at n=25A005009
• Number of 1's in all compositions of n+1.at n=25A045623
• a(n) = n! reduced mod 2^n.at n=27A068496
• a(n) is the number of occurrences of 11s in the palindromic compositions of m=2*n-1 = the number of occurrences of 12s in the palindromic compositions of m=2*n.at n=22A079863
• Row sums of A125175.at n=27A125176
• Least n-almost prime of the form semiprime + 1.at n=25A128665
• Binomial transform of [1, 6, 1, 6, 1, 6, ...].at n=26A135092
• a(n) = 8*a(n-2), with a(0) = 7, a(1) = 14.at n=17A135536
• a(n) = n*2^(n-5).at n=23A196410
• Determinant of the (p_n+1)/2 X (p_n+1)/2 matrix with (i,j)-entry (i,j=0,...,(p_n-1)/2) being the Legendre symbol((i+j)/p_n), where p_n is the n-th prime.at n=14A227971
• Least k > 0 such that gcd(k^n+7,(k+1)^n+7) > 1, or 0 if there is no such k.at n=26A255857
• Decimal representation of the n-th iteration of the "Rule 37" elementary cellular automaton starting with a single ON (black) cell.at n=26A266590
• Decimal representation of the n-th iteration of the "Rule 123" elementary cellular automaton starting with a single ON (black) cell.at n=26A267351
• Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 390", based on the 5-celled von Neumann neighborhood.at n=27A281737
• Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 149", based on the 5-celled von Neumann neighborhood.at n=32A286085
• Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 326", based on the 5-celled von Neumann neighborhood.at n=30A287713
• Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 331", based on the 5-celled von Neumann neighborhood.at n=30A287721
• Enumeration of | Sort_n(123,321) |.at n=29A365062
• Numbers k for which the difference A051903(k) - A328114(k) reaches a new maximum in range 1..k, where A051903 is the maximal exponent in the prime factorization of n, and A328114 is the maximal digit in the primorial base expansion of n.at n=11A369645