Numbers k such that any group of k consecutive integers has integral standard deviation (viz. A011944(k)).

A011943

Numbers k such that any group of k consecutive integers has integral standard deviation (viz. A011944(k)).

Terms

    a(0) =1a(1) =7a(2) =97a(3) =1351a(4) =18817a(5) =262087a(6) =3650401a(7) =50843527a(8) =708158977a(9) =9863382151a(10) =137379191137

External references