A194692 Corner sequence associated with A194440 and A194441.

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

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: A154264 A370141 A194694 * A155506 A014206 A025196

Adjacent sequences: A194689 A194690 A194691 * A194693 A194694 A194695

Keyword

nonn

Author

Omar E. Pol, Sep 01 2011

Status

approved