758340domain: NAppears in sequencesNumbers k such that k-17, k-1, k+1 and k+17 are consecutive primes.at n=20A262176Triangle read by rows: T(n,w) is the number of n-step self avoiding walks on a 3D cubic lattice confined between two infinite planes a distance w apart where the walk starts on one of the planes.at n=39A338126