A256597 a(n) is the total number of pentagrams in a variant of pentagram fractal after n iterations.

1, 11, 76, 436, 2441

Offset: 1

Author

Kival Ngaokrajang, Apr 04 2015

Keywords

• nonn
• more

Comments

Inspired by A255870. But the scale factor is tan(Pi/10) instead of 1/phi.

See illustration in the links.

Links

• Kival Ngaokrajang, Illustration of initial terms

Crossrefs

Cf. A255870, A256429, A256569, A256571, A256582, A256583.