151164

Appears in sequences

• Theta series of A*_18 lattice.at n=44A023930
• a(n) = binomial(2*n, n) mod binomial(2*n-2, n-1).at n=9A024483
• Successive maxima in sequence A007365.at n=30A065933
• a(n) = lcm{1, ..., 2n} / binomial(2n, n).at n=19A068550
• a(n) = n*(n+5)*(50+45*n+n^2)/24.at n=33A101861
• Expansion of e.g.f. Bessel_I(2,2x) + 2*Bessel_I(3,2x) + Bessel_I(4,2x).at n=19A116385
• Numerators of expansion of eta(5t)^2*eta(10t)^(13/5)*eta(20t)^(-9/5)*eta(40t)^(6/5).at n=57A135468
• Triangle read by rows: T(n,k)=k*binomial(n-2k,3k+2) (n>=7, 1<=k<=(n-2)/5).at n=35A138780
• Triangle read by rows: T(n,k) is the number of Dyck n-paths containing k even-length ascents (0 <= k <= floor(n/2)).at n=50A143950
• a(n) = lcm{1,2,...,n} / swinging_factorial(n) = A003418(n) / A056040(n).at n=38A180000
• Sequence of coefficients of x^(n-4) in marked mesh pattern generating function Q_{n,132}^(0,3,0,0)(x).at n=9A212345
• Oscillating orbitals over n sectors (nonpositive values indicating there exist none).at n=20A232500
• Number of preferential arrangements of n labeled elements such that the minimal number of elements per rank equals 8.at n=11A245861
• a(n) = 3*binomial(n+1,7).at n=12A253944
• Numbers n such that there exists an x!=n that makes {n,n,x} an amicable multiset.at n=14A259302
• Denominators of first derivatives of Catalan numbers (as continuous functions of n).at n=18A260631
• a(n) = lcm{1,2,...,n} / binomial(n,floor(n/2)).at n=38A263673
• a(n) = (n-1)*Catalan(n).at n=10A276666
• Abundant numbers n such that sigma(sigma(n) - 2*n) = sigma(n).at n=16A292365