A159799 -id:A159799 - cp's OEIS frontend

A159789 a(n) = A159786(n+1)/4.

0, 0, 1, 2, 2, 3, 8, 12, 12, 13, 16, 18, 19, 26, 44, 56, 56, 57, 60, 62, 63, 70, 84, 92, 93, 98, 106, 111, 120, 152, 216, 240, 240, 241, 244, 246, 247, 254, 268, 276, 277, 282, 290, 295, 304, 336, 384, 408, 409, 414

Offset: 0

Omar E. Pol, Apr 28 2009, May 02 2009

nonn

David Applegate, Omar E. Pol and N. J. A. Sloane, The Toothpick Sequence and Other Sequences from Cellular Automata, Congressus Numerantium, Vol. 206 (2010), 157-191. [There is a typo in Theorem 6: (13) should read u(n) = 4.3^(wt(n-1)-1) for n >= 2.]
N. J. A. Sloane, Catalog of Toothpick and Cellular Automata Sequences in the OEIS

Toothpick sequence: A139250.

Cf. A139251, A153000, A159786, A159787, A159788, A159799.

More terms from Colin Barker, Apr 19 2015

A159796 First differences of A159786.

Original entry on oeis.org

0, 0, 4, 4, 0, 4, 20, 16, 0, 4, 12, 8, 4, 28, 72, 48, 0, 4, 12, 8, 4, 28, 56, 32, 4, 20, 32, 20, 36, 128, 256, 96, 0, 4, 12, 8, 4, 28, 56, 32, 4, 20, 32, 20, 36, 128, 192, 96, 4, 20

Offset: 1

Omar E. Pol, Jun 13 2009

David Applegate, Omar E. Pol and N. J. A. Sloane, The Toothpick Sequence and Other Sequences from Cellular Automata, Congressus Numerantium, Vol. 206 (2010), 157-191. [There is a typo in Theorem 6: (13) should read u(n) = 4.3^(wt(n-1)-1) for n >= 2.]
N. J. A. Sloane, Catalog of Toothpick and Cellular Automata Sequences in the OEIS

Cf. A139250, A159786, A159789, A159799.

More terms from Colin Barker, Apr 19 2015

cp's OEIS Frontend

A159789 a(n) = A159786(n+1)/4.

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