291654

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 BRE = Brewsterite (Sr,Ba)2[Al4Si12O32].10H2O starting with a T1 atom.at n=16A019087
• a(n) = 400*n^2 + 2*n.at n=26A158312