25632

Appears in sequences

• Number of spanning trees with degrees 1 and 3 in K_3 X P_2n.at n=4A003691
• Least term in period of continued fraction for sqrt(n) is 10.at n=34A031434
• Number of partitions satisfying cn(0,5) < cn(1,5) + cn(4,5) + cn(2,5) + cn(3,5).at n=37A039848
• Number of perfect matchings on an n X n L-shaped graph.at n=11A079472
• Row sums of an unsigned characteristic triangle for the Fibonacci numbers.at n=11A110035
• Number of derangements of [n] avoiding the patterns 123, 132 and 213.at n=22A114215
• a(n) = 100*n^2 + 2*n.at n=15A158127
• a(n) = 32*(32*n^2 + 1).at n=5A158685
• Number of reduced words of length n in Coxeter group on 4 generators S_i with relations (S_i)^2 = (S_i S_j)^6 = I.at n=9A163877
• a(n) = 25*n^2 + n.at n=31A173089
• Lower Wythoff values for sequence A185615(n).at n=27A185616
• Even dodecagonal numbers: a(n) = 4*n*(5*n - 2).at n=36A193872
• Denominators a(n) of Pythagorean approximations b(n)/a(n) to 1/2.at n=10A195547
• Numbers n such that n^3 = x*y*z where 2 <= x <= y <= z , n^3+1 = (x-1)*(y+1)*(z+1).at n=5A240836
• Number of partitions p of n such that the number of parts is not a part and max(p) - min(p) is not a part.at n=40A241385
• 6th-largest term in n-th row of Stern's diatomic triangle A002487.at n=17A244476
• Number of (6,2)-chordal bipartite graphs on n nodes.at n=11A280765
• a(n) = a(n-1) + a(n-3) + a(n-4), where a(0) = 1, a(1) = 2, a(2) = 3, a(3) = 4.at n=21A293411
• a(n) = a(n-1) + a(n-3) + a(n-4), where a(0) = 0, a(1) = 0, a(2) = 0, a(3) = 2.at n=24A295680
• Numbers k such that k = Product (p_j^e_j) = Product (pi(p_j)*p_j), where pi() = A000720.at n=20A304194