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A210609 Number of intersections after n-th stage in the structure mentioned in A210606 using semicircumferences and counting the superposed intersections only once. 2
0, 0, 0, 1, 1, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 6, 6, 7, 7, 8, 14, 21, 27 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,8

COMMENTS

The structure mentioned in A210606 is a model for the visualization of Recamán's sequence A005132.

First differs from A210608 at a(24).

LINKS

Table of n, a(n) for n=1..25.

Index entries for sequences related to Recamán's sequence

CROSSREFS

Cf. A005132, A064289, A119632, A160356, A160357, A171175, A171178, A210606, A210607, A210608, A210610-A210613.

Sequence in context: A029923 A096029 A206915 * A210608 A095773 A062108

Adjacent sequences:  A210606 A210607 A210608 * A210610 A210611 A210612

KEYWORD

nonn,hard,more

AUTHOR

Omar E. Pol, Mar 25 2012

STATUS

approved

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Last modified November 18 17:49 EST 2018. Contains 317323 sequences. (Running on oeis4.)