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A160166 Toothpick number A153006(n) minus generalized pentagonal number A001318(n). 2
0, 0, 1, 1, 2, 1, 5, 6, 7, 2, 4, 2, 6, 8, 23, 28, 29, 16, 14, 4, 4, -2, 9, 7, 9, -1, 9, 10, 31, 54, 103, 120, 121, 92, 82, 56, 48, 26, 29, 11, 5, -21, -19, -34, -21, -14, 27, 29, 27, -7, -9, -32, -23, -24 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,5

LINKS

Nathaniel Johnston, Table of n, a(n) for n = 0..999

David Applegate, Omar E. Pol and N. J. A. Sloane, The Toothpick Sequence and Other Sequences from Cellular Automata

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

FORMULA

a(n) = A153006(n)-A001318(n).

CROSSREFS

Cf. A001318, A139250, A153006, A153007, A159790, A160165.

Sequence in context: A249283 A176035 A190992 * A197683 A118737 A026214

Adjacent sequences:  A160163 A160164 A160165 * A160167 A160168 A160169

KEYWORD

sign

AUTHOR

Omar E. Pol, May 23 2009

EXTENSIONS

More terms and a(11) corrected. - Nathaniel Johnston, Mar 22 2011

STATUS

approved

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Last modified February 19 08:37 EST 2018. Contains 299330 sequences. (Running on oeis4.)