Geodesic
Proof of Conway’s lost cosmological theorem
Ekhad, Shalosh1 ; Zeilberger, Doron1
1Department of Mathematics, Temple University, Philadelphia, PA 19122
Electronic research announcements of the American Mathematical Society, Tome 03 (1997), pp. 78-82
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John Horton Conway’s Cosmological Theorem about sequences like 1, 11, 21, 1211, 111221, 312211,…, for which no extant proof existed, is given a new proof, this time hopefully for good.
DOI : 10.1090/S1079-6762-97-00026-7

Ekhad, Shalosh  1   ; Zeilberger, Doron  1

1 Department of Mathematics, Temple University, Philadelphia, PA 19122 
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Ekhad, Shalosh; Zeilberger, Doron. Proof of Conway’s lost cosmological theorem. Electronic research announcements of the American Mathematical Society, Tome 03 (1997), pp. 78-82. doi: 10.1090/S1079-6762-97-00026-7

[1] Epstein, Leo F. A function related to the series for 𝑒^{𝑒^{𝑥}} J. Math. Phys. Mass. Inst. Tech. 1939 153 173

[2] Open problems in communication and computation 1987

[3] Sloane, N. J. A., Plouffe, Simon The encyclopedia of integer sequences 1995

[4] Vardi, Ilan Computational recreations in Mathematica 1991

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