

A210608


Number of intersections after nth stage in the structure mentioned in A210606 using semicircumferences and counting the superposed intersections several times.


2



0, 0, 0, 1, 1, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 6, 6, 7, 7, 8, 14, 22, 28, 36, 43
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OFFSET

1,8


COMMENTS

The structure mentioned in A210606 is a model for the visualization of Recamán's sequence A005132.
First differs from A210609 at a(24).


LINKS

Table of n, a(n) for n=1..27.
Index entries for sequences related to Recamán's sequence


CROSSREFS

Cf. A005132, A064289, A119632, A160356, A160357, A171175, A171178, A210606, A210607, A210609A210613.
Sequence in context: A096029 A206915 A210609 * A095773 A062108 A100682
Adjacent sequences: A210605 A210606 A210607 * A210609 A210610 A210611


KEYWORD

nonn,hard,more


AUTHOR

Omar E. Pol, Mar 25 2012


STATUS

approved



