Number of exponent-7 class 2 groups of order 7^n.

A252787

Number of exponent-7 class 2 groups of order 7^n.

Terms

    a(0) =0a(1) =0a(2) =1a(3) =3a(4) =7a(5) =28a(6) =131a(7) =26465a(8) =2832610615

External references