A210608 Number of intersections after n-th stage in the structure mentioned in A210606 using semicircumferences and counting the superposed intersections several times.

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

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, A210609-A210613.

Sequence in context: A206915 A327247 A210609 * A362131 A095773 A062108

Adjacent sequences: A210605 A210606 A210607 * A210609 A210610 A210611

Keyword

nonn,hard,more

Author

Omar E. Pol, Mar 25 2012

Status

approved