Numbers k such that A056109(k) is a square.

A122770

Numbers k such that A056109(k) is a square.

Terms

    a(0) =0a(1) =6a(2) =88a(3) =1230a(4) =17136a(5) =238678a(6) =3324360a(7) =46302366a(8) =644908768a(9) =8982420390a(10) =125108976696

External references