24736

Appears in sequences

• Trajectory of 1 under map n->43n+1 if n odd, n->n/2 if n even.at n=24A033977
• Maximal elements of pairs of "Super Unitary Amicable Numbers", sorted by their minimal elements.at n=41A045614
• Number of step shifted (decimated) sequence structures using exactly five different symbols.at n=10A056399
• Number of primitive (aperiodic) step shifted (decimated) sequence structures using exactly five different symbols.at n=10A056409
• Numbers n such that n and 2^n end with the same three digits.at n=24A067866
• Expansion of 1/(1 - 2*x - 2*x^2 - x^3).at n=10A077936
• Expansion of 1/(1 + 2*x - 2*x^2 + x^3).at n=10A077983
• An alternating 2-based sum from prime(n) up to the base of the n-th Mersenne prime.at n=21A162848
• Number of compositions of n into distinct parts with exactly six descents.at n=18A241725
• Maximal term of TRIP-Stern sequence of level n corresponding to permutation triple (e,13,132).at n=28A271487
• Numbers k such that (19*10^k + 119)/3 is prime.at n=22A281929
• Triangle read by rows: T(n,k) = number of step shifted (decimated) sequence structures of length n using exactly k different symbols.at n=59A288620
• a(n) = A289671(n)/2^f(n), where f(n) = 2*floor((n-1)/3) + ((n+2) mod 3) = A004523(n).at n=44A289677
• a(n) = A289677(3*n).at n=14A290441
• G.f. A(x) satisfies: A(x) = Sum_{k>=0} k!*x^k*A(x)^k/(1 - x*A(x))^(k+1).at n=6A307442
• G.f.: Sum_{n>=0} x^n * (1 + x^n)^n / (1 - x^(n+1))^(n+1).at n=53A325046
• Number of permutations p of [n] such that the sequence of ascents and descents of p is encoded by the 0's and 1's, respectively, in the binary expansion of n (read from right to left and using leading 0's if necessary).at n=17A335308