28252

Appears in sequences

• High temperature series for spin-1/2 Ising surface susceptibility on 3-dimensional simple cubic lattice.at n=5A003490
• a(n) is the concatenation of n and 9n.at n=27A009474
• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 12.at n=29A031690
• Number of 3 X n nonnegative integer matrices with all column sums 3, up to row and column permutation.at n=11A058407
• Triangle read by rows: T(n,k) = number of peakless Motzkin paths of length n containing k subwords of the type uh^ju, dH^jd, or dh^ju for some j>0, where u=(1,1), d=(1,-1) and h=(1,0) (can be easily expressed using RNA secondary structure terminology).at n=51A098056
• a(n) = 36*n^2 + n.at n=27A157324
• 144n^2 + 2n.at n=13A158132
• Number of nondecreasing integer sequences of length 17 with sum zero and sum of absolute values 2n.at n=14A158151
• a(n) = 784*n^2 + 28.at n=6A158659
• Number of examples for Simpson's paradox with data items in [n].at n=8A281614