19538

Appears in sequences

• Expansion of 1/((1-x)^3*(1-x^2)^2*(1-x^3)).at n=26A002625
• Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite EPI = Epistilbite Ca3[Al6Si18O48].16H2O starting with a T2 atom.at n=13A019118
• Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite HEU = Heulandite Ca4[Al8Si28O72].24H2O starting with a T5 atom.at n=13A019134
• Number of partitions of 0 of the form [x(1)+x(2)+...+x (j)] - [y(1)+y(2)+...+y(k)] where the x(i) are distinct positive integers <=n and the y(i) are distinct positive integers <= n.at n=20A209535
• Number of ordered triples (w,x,y) with all terms in {1,...,n} and w^2+x^2+y^2>=2n.at n=27A211645
• Let p = A002145(n) be the n-th prime of the form 4k+3, then a(n) is the smallest number such that p is the smallest prime of the form 4k+3 for which 4*a(n)+2-p is prime.at n=41A217696
• Dimension of space of invariant tensors in the n-th tensor power of the adjoint representation of G2.at n=9A227292
• Number of (not necessarily maximal) cliques in the n X n king graph.at n=44A295906
• Number of perfect-powers x in the range 2^n <= x < 2^(n+1).at n=31A377435
• Number of edge cuts in the n-Plummer-Toft graph.at n=2A377769