A184409 - OEIS

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A184409

Total number of missing toothpicks in the holes in the toothpick structure of A182840.

0, 0, 0, 0, 0, 0, 0, 2, 6, 6, 6, 6, 6, 8, 12, 22, 42, 42, 42, 42, 42, 42, 42, 46, 58, 68, 72, 72, 72, 100, 148, 150, 186, 186, 186, 186, 186, 186, 186, 190, 202, 210, 210, 210, 210, 214, 226, 254, 314, 356, 360, 360, 360, 360, 360, 368, 396, 524, 708, 652, 628, 676, 764, 710, 762, 762, 762, 762, 762, 762, 762, 766

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,8

COMMENTS

Each connected group of unoccupied lines in the hexagonal structure enclosed by toothpicks counts as a hole.

LINKS

Olaf Voß, Table of n, a(n) for n = 0..625

N. J. A. Sloane, Catalog of Toothpick and Cellular Automata Sequences in the OEIS

Olaf Voß, Toothpick structures on hexagonal net

Index entries for sequences related to toothpick sequences

EXAMPLE

Structure after step 8: