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

Author

Omar E. Pol, Jun 26 2014

Keywords

• nonn
• more

Comments

Partial sums give A244370.

Crossrefs

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

Formula

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

Extensions

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

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