Genus of stage-n Menger sponge.

A135918

Genus of stage-n Menger sponge.

Terms

    a(0) =0a(1) =5a(2) =81a(3) =1409a(4) =26433a(5) =514625a(6) =10180161a(7) =202704449a(8) =4046898753a(9) =80880453185

External references