a(n) is the total number of pentagrams in a variant of pentagram fractal after n iterations.
A256571
a(n) is the total number of pentagrams in a variant of pentagram fractal after n iterations.
Terms
- a(0) =1a(1) =6a(2) =21a(3) =56a(4) =131a(5) =281a(6) =556a(7) =1046a(8) =1896a(9) =3346a(10) =5796a(11) =9916a(12) =16806a(13) =28316a(14) =47506a(15) =79476a(16) =132706
External references
- oeis: A256571