2288132

Appears in sequences

• a(n) = binomial(2*n, n) mod binomial(2*n-2, n-1).at n=11A024483
• Tenth column (m=9) of (1,3)-Pascal triangle A095660.at n=15A095665
• Expansion of e.g.f. Bessel_I(2,2x) + 2*Bessel_I(3,2x) + Bessel_I(4,2x).at n=23A116385
• Oscillating orbitals over n sectors (nonpositive values indicating there exist none).at n=24A232500
• Number of preferential arrangements of n labeled elements such that the minimal number of elements per rank equals 10.at n=13A245863
• a(n) = lcm{1,2,...,n} / binomial(n,floor(n/2)).at n=45A263673
• a(n) = (n-1)*Catalan(n).at n=12A276666
• a(n) is the denominator of the n-th hyperharmonic number of order n.at n=22A354895