24096

Appears in sequences

• Integers n > 10563 such that the 'Reverse and Add!' trajectory of n joins the trajectory of 10563.at n=17A063064
• Values of m such that N=(am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,7.at n=24A064240
• Values of n such that N=(an+1)(bn+1)(cn+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,35.at n=12A064254
• Trajectory of 77 under the Reverse and Add! operation carried out in base 2.at n=13A075253
• a(n) is the smallest integer k such that the n-th (backward) difference of the partition sequence A000041 is positive from k onwards.at n=36A155861
• Number of reduced words of length n in Coxeter group on 3 generators S_i with relations (S_i)^2 = (S_i S_j)^9 = I.at n=14A165183
• Even numbers that can only be expressed as the sum of two distinct twin prime pairs in two ways: n = p+(q+2) = (p+2)+q where (3,5) < (p,p+2) < (q,q+2).at n=77A179014
• a(n,k) equals (1/n!) multiplied by the count of permutations with cycle length k in all products u v u^-1 v^-1 over all permutations u and v of length n.at n=29A191716
• Numbers k such that the sum of the divisors of k and the sum of the distinct prime divisors of k are both a square.at n=21A194196
• Start from the singleton set S = {n}, and unless 1 is already a member of S, generate on each iteration a new set where each odd number k is replaced by 3k+1, and each even number k is replaced by 3k+1 and k/2. a(n) is the total size of the set from the singleton through after the first iteration which has produced 1 as a member, inclusive.at n=24A291213
• Decimal representation of binary numbers with string structure 10s00, s in {0,1}*, such that it results in a non-palindromic cycle of length 4 in the Reverse and Add! procedure in base 2.at n=23A306514
• a(n) = A330575(A025487(n)).at n=43A333962
• Expansion of g.f. A(x) satisfying A(x) = A( x^2*(1+x)^6 ) / x.at n=7A369556