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 A091588 A smoothed version of A091587. 4
 1, 3, 8, 24, 67, 195, 580, 1730, 5179, 15533, 46578, 139712, 419115, 1257319, 3771930, 11315764, 33947261, 101841751, 305525228, 916575642, 2749726883 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 COMMENTS Each term is roughly 3 times the previous term. LINKS Table of n, a(n) for n=0..20. F. J. van de Bult, D. C. Gijswijt, J. P. Linderman, N. J. A. Sloane and Allan Wilks, A Slow-Growing Sequence Defined by an Unusual Recurrence, J. Integer Sequences, Vol. 10 (2007), #07.1.2. F. J. van de Bult, D. C. Gijswijt, J. P. Linderman, N. J. A. Sloane and Allan Wilks, A Slow-Growing Sequence Defined by an Unusual Recurrence [pdf, ps]. Levi van de Pol, The first occurrence of a number in Gijswijt's sequence, arXiv:2209.04657 [math.CO], 2022. Index entries for sequences related to Gijswijt's sequence FORMULA a(n+1) = a(n) + A357063(n+1) + A091840(n+1). See Conjecture 4.2 of F. J. van de Bult et al., proved p. 54 of Levi van de Pol. - Levi van de Pol, Nov 04 2022 CROSSREFS Records in A091839. Cf. A090822, A091587, A091587, A217590. Sequence in context: A096886 A176904 A056332 * A297219 A018046 A095125 Adjacent sequences: A091585 A091586 A091587 * A091589 A091590 A091591 KEYWORD nonn,more AUTHOR N. J. A. Sloane, Mar 05 2004 EXTENSIONS a(10)-a(13) from Allan Wilks, Mar 10 2004 a(14)-a(20) from Alexander Staunton, Apr 09 2022 Removed an incorrect program. - N. J. A. Sloane, Aug 20 2022 STATUS approved

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Last modified June 4 21:13 EDT 2023. Contains 363130 sequences. (Running on oeis4.)