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A194692 Corner sequence associated with A194440 and A194441. 5
0, 2, 4, 8, 14, 22, 30, 42, 55, 67, 77, 93, 113, 145, 165, 189, 216, 236, 246, 262, 286, 322, 363, 411, 459, 513, 547, 591, 641, 721, 769, 817, 872, 908, 918, 934, 958, 994, 1035, 1083, 1137, 1205, 1267, 1347, 1427, 1551, 1646, 1750, 1839, 1933, 1977, 2025, 2093 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

The sequence gives the number of toothpicks and D-toothpicks after n-th stage in the D-toothpick "corner" structure related to the D-toothpick "wide" triangle (See A194440). The first differences (A194693) give the number of toothpicks or D-toothpicks added at n-th stage.

LINKS

Table of n, a(n) for n=0..52.

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

Index entries for sequences related to toothpick sequences

CROSSREFS

Cf. A153006, A170883, A194270, A194440, A194441, A194694.

Sequence in context: A132425 A154264 A194694 * A155506 A014206 A025196

Adjacent sequences:  A194689 A194690 A194691 * A194693 A194694 A194695

KEYWORD

nonn

AUTHOR

Omar E. Pol, Sep 01 2011

STATUS

approved

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Last modified October 23 18:36 EDT 2018. Contains 316529 sequences. (Running on oeis4.)