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 A216956 Triangle read by rows: A216955/2. 2
 1, 1, 1, 2, 1, 1, 3, 3, 1, 1, 6, 6, 2, 1, 1, 10, 13, 5, 2, 1, 1, 20, 26, 10, 4, 2, 1, 1, 37, 55, 19, 9, 4, 2, 1, 1, 74, 107, 41, 18, 8, 4, 2, 1, 1, 143, 219, 82, 35, 17, 8, 4, 2, 1, 1, 286, 438, 164, 70, 34, 16, 8, 4, 2, 1, 1, 562, 881, 330, 143, 67, 33, 16, 8, 4, 2, 1, 1, 1124, 1762, 660, 286, 134, 66, 32, 16, 8, 4, 2, 1, 1 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,4 COMMENTS It appears that reversed rows converge to A011782. - Omar E. Pol, Nov 20 2012 LINKS B. Chaffin, J. P. Linderman, N. J. A. Sloane and Allan Wilks, On Curling Numbers of Integer Sequences, arXiv:1212.6102, Dec 25 2012. B. Chaffin, J. P. Linderman, N. J. A. Sloane and Allan Wilks, On Curling Numbers of Integer Sequences, Journal of Integer Sequences, Vol. 16 (2013), Article 13.4.3. EXAMPLE Triangle begins: 1, 1, 1, 2, 1, 1, 3, 3, 1, 1, 6, 6, 2, 1, 1, 10, 13, 5, 2, 1, 1, 20, 26, 10, 4, 2, 1, 1, 37, 55, 19, 9, 4, 2, 1, 1, 74, 107, 41, 18, 8, 4, 2, 1, 1, ... CROSSREFS First column is A093371. Cf. A216955. Sequence in context: A061554 A296373 A088326 * A285522 A181039 A215297 Adjacent sequences:  A216953 A216954 A216955 * A216957 A216958 A216959 KEYWORD nonn,tabl AUTHOR N. J. A. Sloane, Sep 26 2012 STATUS approved

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Last modified August 8 14:04 EDT 2020. Contains 336298 sequences. (Running on oeis4.)