66979domain: NAppears in sequencesNumbers k with squares that are concatenations k^2 = x//y such that x is an anagram of y.at n=28A162945Partial sums of walks of length n+1 on a tetrahedron A001998.at n=11A178778n * (11*n^2 + 6*n + 1) / 6.at n=33A215646First differences of A293160.at n=26A295783