101376

Appears in sequences

• Denominators of Bernoulli polynomials B(n)(x).at n=10A001898
• Theta series of {D_9}* lattice.at n=41A008424
• Number of points of L1 norm 2n in root system version of E_8 lattice.at n=9A010369
• Theta series of lattice Kappa_8.at n=23A015235
• Duplicate of A010369.at n=9A035880
• a(n) = 2^(n-5)*binomial(n,5). Number of 5D hypercubes in an n-dimensional hypercube.at n=7A054849
• Numbers k that can be expressed as k = w+x = y*z with w*x = (y+z)^3 where w, x, y, and z are all positive integers.at n=32A057370
• Consider the solutions to k = a+b = x*y and a*b = k*(x+y) where k, a, b, x, and y are all positive integers, ordered by increasing k and, in case of ties, by increasing x. Sequence gives values of a*b.at n=17A057421
• Coefficient triangle of polynomials (rising powers) related to Pell number convolutions. Companion triangle is A058402.at n=27A058403
• Coefficient triangle of polynomials (falling powers) related to Pell number convolutions. Companion triangle is A058404.at n=21A058405
• Values of n such that N=(an+1)(bn+1)(cn+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,35.at n=23A064254
• 13-almost primes (generalization of semiprimes).at n=26A069274
• Numbers n such that the squarefree kernel of n is equal to the number of divisors of n.at n=24A070226
• If X_1,...,X_n is a partition of a 2n-set X into 2-blocks then a(n) is equal to the number of 7-subsets of X containing none of X_i, (i=1,...n).at n=5A130813
• Number of cribbage hands with score n.at n=1A143133
• G.f. S(x) satisfies: C(C(x)) - S(S(x)) = x where C(x) = x + 2*x^2*S(x).at n=13A191418
• Numbers k such that (number of prime factors of k counted with multiplicity) less (number of distinct prime factors of k) = 10.at n=34A195069
• Number of (n+2) X 3 binary arrays avoiding patterns 001 and 101 in rows and columns.at n=29A202195
• Number of (n+1) X 4 0..2 arrays with every 2 X 3 or 3 X 2 subblock having exactly two equal edges, and new values 0..2 introduced in row major order.at n=7A206210
• 5-quantum transitions in systems of N>=5 spin 1/2 particles, in columns by combination indices.at n=16A213347