[seqfan] Re: Long chains

N. J. A. Sloane njas at research.att.com
Sun May 29 20:44:16 CEST 2011


> 1, 1, 2, 6, 18, 60, 210, 754, 2766, 10280, 38568, . . . , and it does
not appear in On-Line Encyclopedia of Integer Sequences."

It does now!



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