9791113domain: NAppears in sequencesCycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite BEA = Beta Na7[Al7Si57O128] starting with a T7 atom.at n=20A019073Positive solutions x to the equation x^2 + (x+71)^2 = y^2.at n=21A118673