24652

Appears in sequences

• a(1) = 1; a(2) = 2; a(n) == a(k) (mod n-k) for all 1 < k < n.at n=11A002987
• Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 90 ones.at n=24A031858
• Number of nondecreasing arrangements of 6 numbers x(i) in -(n+4)..(n+4) with the sum of sign(x(i))*x(i)^2 zero.at n=21A188006
• Number of n X 2 0..5 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.at n=32A201136
• Cogrowth sequence for Richard Thompson's group F with the standard generating set x_0, x_1.at n=5A246877
• Smallest k such that A285481(k) >= n, i.e., lowest d where the smallest integer radius needed for a d-dimensional ball to have a volume >= 1 is at least n.at n=38A285482
• Number of connected undirected unlabeled loopless multigraphs with 4 vertices and n edges.at n=34A290778
• Solution of the complementary equation a(n) = a(n-1) + 2*a(n-2) + b(n-1), where a(0) = 1, a(1) = 3, b(0) = 2, b(1) = 4, and (a(n)) and (b(n)) are increasing complementary sequences.at n=13A295148