22374

Appears in sequences

• Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite DOH = Dodecasil 1H [Si34O68].qR starting with a T4 atom.at n=13A019115
• Sixth column (m=5) of triangle A060098.at n=10A060101
• Sixth column (m=5) of triangle A060102.at n=5A060105
• Least k such that Sum_{i=n..k} 1/i >= n.at n=7A168214
• Coefficient array of orthogonal polynomials P(n,x)=(x-2n+2)*P(n-1,x)-(2n-3)*P(n-2,x), P(0,x)=1, P(1,x)=x-1.at n=31A185996
• Number of (w,x,y,z) with all terms in {1,...,n} and |x-y| = w + |y-z|.at n=36A212683
• Number of partitions of n^2 into at most 9 square parts.at n=34A255213
• Number of maximal independent vertex sets (and minimal vertex covers) in the n-web graph.at n=14A287498
• Triangular array T(n,k), read by rows: coefficients of strong divisibility sequence of polynomials p(1,x) = 1, p(2,x) = 1 + 3x, p(n,x) = u*p(n-1,x) + v*p(n-2,x) for n >=3, where u = p(2,x), v = 2 - x^2.at n=40A368151