A357065 - OEIS

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A357065

Numbers k with the following property: the value A091839(k+1) is not a 1 that is obtained from smoothing A091579.

0, 1, 2, 3, 5, 7, 8, 9, 10, 11, 13, 15, 16, 17, 18, 19, 21, 23, 24, 25, 26, 27, 29, 31, 33, 34, 35, 37, 39, 40, 41, 42, 43, 45, 47, 49, 50, 51, 53, 55, 56, 57, 58, 59, 61, 63, 65, 66, 67, 69, 71, 73, 74, 75, 77, 79, 80, 81, 82, 83, 85, 87, 88, 89, 90, 91, 93, 95, 97, 98, 99, 101, 103

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OFFSET

1,3

COMMENTS

This sequence is the function iota1 in the article "The first occurrence of a number in Gijswijt's sequence" (page 21). For the connection with smoothing, see Subsection 8.1.

LINKS

Table of n, a(n) for n=1..73.

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), Article 07.1.2.

Levi van de Pol, The first occurrence of a number in Gijswijt's sequence, arXiv:2209.04657 [math.CO], 2022.

EXAMPLE

14 is not a term since A091839(14+1) is a 1 obtained from smoothing: in A091579, the eleventh value is 4, which is replaced by 3,1 to obtain the fourteenth and fifteenth terms of A091839.

CROSSREFS

Cf. A091787, A090822, A357066, A357067.

Sequence in context: A162535 A279814 A047490 * A039072 A055977 A180221

Adjacent sequences: A357062 A357063 A357064 * A357066 A357067 A357068

KEYWORD

nonn,base

AUTHOR

Levi van de Pol, Sep 10 2022

STATUS

approved