A244371 Number of toothpicks added at n-th stage in the toothpick structure of the symmetric representation of sigma in the four quadrants.

8, 16, 24, 32, 32, 48, 40, 64, 64, 80, 56, 96, 64, 104, 104, 128, 80, 144, 88, 160, 144, 152, 104, 192, 136, 176, 176, 224, 128, 240, 136, 256

Offset

1,1

Comments

Partial sums give A244370.

Links

Table of n, a(n) for n=1..32.

Formula

a(n) = 4*A244363(n) = 8*A244361(n). - Omar E. Pol, Oct 16 2014

Crossrefs

Cf. A000203, A196020, A236104, A237270, A237271, A237591, A237593, A244360-A244363, A244370, A244371, A244970, A244971, A245092.

Sequence in context: A358727 A246311 A344538 * A144566 A037989 A044848

Adjacent sequences: A244368 A244369 A244370 * A244372 A244373 A244374

Keyword

nonn,more

Author

Omar E. Pol, Jun 26 2014

Extensions

a(13)-a(28) from Omar E. Pol, Oct 18 2014

a(29)-a(32) from Omar E. Pol, May 04 2023

Status

approved