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A244361 Number of toothpicks added at n-th stage in the toothpick structure of the symmetric representation of half sigma in the first octant (without the axis x and without the main diagonal). 7
1, 2, 3, 4, 4, 6, 5, 8, 8, 10, 7, 12, 8, 13, 13, 16, 10, 18, 11, 20, 18, 19, 13, 24, 17, 22, 22, 28, 16, 30, 17, 32 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Partial sums give A244360. - Omar E. Pol, Oct 18 2014
LINKS
FORMULA
a(n) = A244363(n)/2.
a(n) = A244371(n)/8. - Omar E. Pol, Oct 18 2014
CROSSREFS
Sequence in context: A343292 A079788 A146288 * A199424 A350634 A184160
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

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Last modified June 21 09:23 EDT 2024. Contains 373542 sequences. (Running on oeis4.)