19719

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 MFI = ZSM-5 Nan[AlnSi96-nO192] starting with a T7 atom.at n=13A019164
• Smallest m such that A065623(m) = n.at n=42A065624
• a(n) = (1/3)*n^3 - n^2 - (1/3)*n - 1.at n=40A109620
• Triangle read by rows: numbers of isomers of unbranched a-4-catapolyoctagons.at n=45A120649
• Catapolyoctagons (see Cyvin et al. for precise definition).at n=8A121101
• Numbers k such that 3^k + 3^4 + 1 is prime.at n=21A168170
• Maximally refined partitions into distinct parts (of any natural number) with n parts.at n=17A179817
• Number of binary arrays indicating the locations of trailing edge maxima of a random length-n 0..6 array extended with zeros and convolved with 1,3,3,1.at n=20A222025
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 350", based on the 5-celled von Neumann neighborhood.at n=37A271303
• Triangle read by rows: T(n,k) is the number of digraphs on n unlabeled unisolated nodes with k arcs, k = 0..n*(n-1).at n=54A350908
• Number of gap-free Carlitz compositions of n.at n=20A374726