51701

Appears in sequences

• From a counter moving problem.at n=20A004138
• Sum of squares of first n positive integers congruent to 1 mod 3.at n=25A024215
• Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 18.at n=19A031606
• Number of vertices in truncated tetrahedron with faces that are centered polygons.at n=20A193218