a(n) = 4^(n-1) + 2: Number of acute angles after n iterations of the Koch snowflake construction.
A178789
a(n) = 4^(n-1) + 2: Number of acute angles after n iterations of the Koch snowflake construction.
Terms
- a(0) =3a(1) =6a(2) =18a(3) =66a(4) =258a(5) =1026a(6) =4098a(7) =16386a(8) =65538a(9) =262146a(10) =1048578a(11) =4194306a(12) =16777218a(13) =67108866a(14) =268435458a(15) =1073741826a(16) =4294967298a(17) =17179869186a(18) =68719476738a(19) =274877906946
External references
- oeis: A178789