478913domain: NPropertiesPrimalityPrimeyesAppears in sequencesDenominators of convergents to cube root of 4.at n=14A002355Triangle read by rows: T(n,k) is the number of embeddings on the sphere of 2-connected planar graphs with n nodes and k faces, n >= 3, k=2..2*n-4.at n=56A342060Prime numbersat n=39926