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A256597 a(n) is the total number of pentagrams in a variant of pentagram fractal after n iterations. 3
1, 11, 76, 436, 2441 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

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

See illustration in the links.

LINKS

Table of n, a(n) for n=1..5.

Kival Ngaokrajang, Illustration of initial terms

CROSSREFS

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

Sequence in context: A122589 A302382 A034269 * A245561 A056914 A232032

Adjacent sequences:  A256594 A256595 A256596 * A256598 A256599 A256600

KEYWORD

nonn,more

AUTHOR

Kival Ngaokrajang, Apr 04 2015

STATUS

approved

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Last modified November 13 12:45 EST 2019. Contains 329094 sequences. (Running on oeis4.)