25202

Appears in sequences

• Hoggatt sequence with parameter d=5.at n=6A005363
• a(0) = 1, a(n) = 28*n^2 + 2 for n>0.at n=30A010018
• a(n) = n^3 - 2*n^2 + 2.at n=29A100109
• Semiprimes in A033951.at n=23A113691
• Triangle read by rows: row n (n >= 0) consists of the elements g(i, n-i) (0 <= i <= n), where g(r,s) = 1 + Sum_{k=1..r} Product_{i=0..k-1} binomial(r+s-1, s+i) / binomial(r+s-1, i).at n=72A116925
• Number of n-bead necklaces labeled with numbers -3..3 allowing reversal, with sum zero.at n=7A208820
• T(n,k) is the number of n-bead necklaces labeled with numbers -k..k allowing reversal, with sum zero.at n=52A208825
• Least number to start a run of exactly n nondecreasing values of (big) Omega (A001222).at n=6A286288
• Number of centrally symmetric Baxter permutations of length n.at n=14A383372