A sequence related to lower bounds for the number of distinct differentiable structures on spheres of the form S^(4*k-1).

A242032

A sequence related to lower bounds for the number of distinct differentiable structures on spheres of the form S^(4*k-1).

Terms

    a(0) =2a(1) =2a(2) =7a(3) =31a(4) =127a(5) =73a(6) =1414477a(7) =8191a(8) =16931177a(9) =5749691557a(10) =91546277357a(11) =3324754717

External references