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A045673 Curvatures in diagram constructed by inscribing 2 circles of curvature 0 and 1 inside circle of curvature 0, continuing indefinitely to inscribe circles wherever possible. 2

%I

%S 0,1,4,9,12,16,24,25,28,33,36,40,49,52,57,60,64,72,73,76,81,84,88,96,

%T 97,100,105,108,112,121,124,129,136,144,145,148,153,156,160,168,169,

%U 172,177,180,184,192,193,196,201,204,216,217,220,225,228,232

%N Curvatures in diagram constructed by inscribing 2 circles of curvature 0 and 1 inside circle of curvature 0, continuing indefinitely to inscribe circles wherever possible.

%C Appears to be a superset of {A008784 - 1}. - _Ralf Stephan_, Jan 26 2005

%C See A189226 for additional comments, references, links, examples, and crossrefs. - _Jonathan Sondow_, Aug 24 2012

%H K. E. Stange, <a href="http://arxiv.org/abs/1208.4836">The sensual Apollonian circle packing</a>, arXiv 2012; see section 14. - _Jonathan Sondow_, Aug 24 2012

%Y Cf. A042944-A042946, A045679, A189226.

%K nonn

%O 0,3

%A _Allan Wilks_

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Last modified April 25 23:48 EDT 2019. Contains 322465 sequences. (Running on oeis4.)