246801domain: NAppears in sequencesE.g.f. C(x)^3 = d/dx log(C(x) + S(x)), where C(x) and S(x) are described by A281181 and A281180, respectively.at n=4A281184Number of compositions of n that are anti-palindromic modulo 3.at n=23A362057Number of mutual-visibility sets in the n-antiprism graph.at n=17A389176