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 A005224 T is the first, fourth, eleventh, ... letter in this sentence, not counting spaces or commas (Aronson's sequence). (Formerly M3406) 34
 1, 4, 11, 16, 24, 29, 33, 35, 39, 45, 47, 51, 56, 58, 62, 64, 69, 73, 78, 80, 84, 89, 94, 99, 104, 111, 116, 122, 126, 131, 136, 142, 147, 158, 164, 169, 174, 181, 183, 193, 199, 205, 208, 214, 220, 226, 231, 237, 243, 249, 254, 270, 288, 303, 307, 319, 323, 341 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS a(10^9) = 11281384554. - Hans Havermann, Apr 21 2017 First differences start: 3, 7, 5, 8, 5, 4, 2, 4, 6, 2, 4, 5, 2, 4, 2, 5, 4, 5, 2, 4, 5, 5, 5, 5, 7, 5, 6, 4, 5, 5, 6, 5, 11, 6, 5, 5, 7, 2, 10, 6, ... - Daniel Forgues, Sep 11 2019 REFERENCES A. J. Aronson, quoted by D. R. Hofstadter in Metamagical Themas, Basic Books, NY, 1985, p. 44. James Gleick, Faster, Vintage Books, NY, 2000 (see pp. 259-261). N. J. A. Sloane, Seven Staggering Sequences, in Homage to a Pied Puzzler, E. Pegg Jr., A. H. Schoen and T. Rodgers (editors), A. K. Peters, Wellesley, MA, 2009, pp. 93-110. N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). LINKS B. Cloitre, N. J. A. Sloane and M. J. Vandermast, Numerical analogues of Aronson's sequence, J. Integer Seqs., Vol. 6 (2003), #03.2.2. arXiv:math.NT/0305308, 2003. Hans Havermann, Aronson's Sequence N. J. A. Sloane, Seven Staggering Sequences Eric Weisstein's World of Mathematics, Aronson's Sequence EXAMPLE The sentence begins 1234567890 1234567890 1234567890 1234567890 1234567890 Tisthefirs tfourthele venthsixte enthtwenty fourthtwen tyninththi rtythirdth irtyfiftht hirtyninth fortyfifth fortyseven thfiftyfir stfiftysix thfiftyeig hthsixtyse condsixtyf ourthsixty ninthseven tythirdsev entyeighth eightiethe ightyfourt heightynin thninetyfo urthninety ninthonehu ndredfourt honehundre deleventho nehundreds ixteenthon ehundredtw entysecond onehundred twentysixt honehundre dthirtyfir stonehundr edthirtysi xthonehund redfortyse cond... CROSSREFS Cf. A049525, A055508, A081023, A081024, A079000, A097395, A284744. Sequence in context: A310560 A156244 A020961 * A054870 A197567 A207460 Adjacent sequences:  A005221 A005222 A005223 * A005225 A005226 A005227 KEYWORD nonn,word,nice AUTHOR EXTENSIONS Corrected and extended by Larry Reeves (larryr(AT)acm.org), Oct 31 2000 STATUS approved

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Last modified October 14 02:29 EDT 2019. Contains 327995 sequences. (Running on oeis4.)