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 A258716 Decimal expansion of 3 + 2*Sum_{k>=0} 1/Product_{i=0..k} (2^(2^i) - 1). 2
 5, 7, 1, 1, 2, 8, 5, 4, 0, 5, 7, 0, 9, 6, 3, 3, 4, 4, 6, 6, 6, 6, 5, 2, 5, 4, 2, 9, 1, 8, 1, 4, 7, 9, 1, 0, 4, 6, 7, 9, 7, 6, 5, 8, 7, 7, 1, 9, 8, 9, 7, 5, 4, 5, 6, 9, 3, 7, 9, 5, 7, 1, 7, 0, 6, 7, 9, 5, 0, 1, 8, 9, 9, 9, 5, 5, 4, 4, 2, 8 (list; constant; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Gary W. Adamson and N. J. A. Sloane, Correspondence, May 1994, including Adamson's MSS "Algorithm for Generating nth Row of Pascal's Triangle, mod 2, from n", and "The Tower of Hanoi Wheel". Defines this number. FORMULA Equals 3 + A258715. EXAMPLE 5.7112854057096334466665254291814791046797658771989754... CROSSREFS Cf. A258714, A258715. Sequence in context: A133412 A111833 A011378 * A195300 A019697 A217173 Adjacent sequences:  A258713 A258714 A258715 * A258717 A258718 A258719 KEYWORD nonn,cons AUTHOR N. J. A. Sloane, Jun 15 2015 STATUS approved

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Last modified September 20 22:20 EDT 2019. Contains 327252 sequences. (Running on oeis4.)