24609

Appears in sequences

• Number of series-reduced planted trees with n+9 nodes and 4 internal nodes.at n=37A001860
• a(n) = n! * Sum_{i=1..n} (1/i)*Sum_{j=0..i-1} 1/j!.at n=7A093344
• Duplicate of A093344.at n=7A093904
• Times in hours, minutes and seconds (to the nearest second) at which the hour and minute hands of an analog clock, if interchanged, continue to indicate some other albeit accurate times, over a complete 12-hour sweep for the slower hand. Leading zeros omitted.at n=33A121577
• The point at which the powers of n merge on an 8-digit calculator.at n=0A216069
• The point at which the powers of n merge on an 8-digit calculator.at n=18A216069
• Triangular array of coefficients of polynomials q(n,k) defined in Comments.at n=29A248669
• Triangular array of coefficients of polynomials q defined in Comments; the coefficients are written in the order of decreasing powers of x.at n=34A248670
• Least positive integer k such that prime(prime(k)), prime(prime(k*n)), prime(p) and prime(q) form a 4-term arithmetic progression for some pair of primes p and q.at n=28A261462
• Number of length n arrays of permutations of 0..n-1 with each element moved by -1 to 1 places and every four consecutive elements having its maximum within 4 of its minimum.at n=24A263710
• Number of 3Xn arrays containing n copies of 0..3-1 with no element 1 greater than its north, west or northeast neighbor modulo 3 and the upper left element equal to 0.at n=10A266292
• Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 581", based on the 5-celled von Neumann neighborhood.at n=14A283135
• a(n) is the cyclic length of the iterative sequence f(k) = prime(f(k-1) mod 2^n) with f(0) = 1.at n=33A326613