[seqfan] Re: Interesting discovery by Dan Preston concerning a Recaman-like sequence

Hans Havermann gladhobo at bell.net
Mon Apr 1 14:47:48 CEST 2019


Just an A228474 update. My graph at http://chesswanks.com/num/a228474.png now goes up to 217865. I got around the unknown at a(36618) by plotting it at 7*10^12, adding lines to join the points, then removing the top of the graph so that the point doesn't show (just the line going up).

My working a-file now goes up to 537660 but there are 190 unknowns. A cluster of 185 appear from 217866 to 218050. The other five are at 36618, 274788, 275164, 407340, and 417267.




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