384133domain: NPropertiesPrimalityPrimeyesAppears in sequencesExpansion of (1-x)/(1+2*x+x^3).at n=16A078061First differences of A052980.at n=17A214260Number of Grassmannian permutations of size n that avoid a pattern, sigma, where sigma is a pattern of size 6 with exactly one descent.at n=35A362193Prime numbersat n=32614