The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A003664

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A003664

a(n) is smallest number larger than a(n-1) and not = a(j) + a(k), j < k.
(history; published version)

#46 by Sean A. Irvine at Sat May 30 16:39:45 EDT 2026

LINKS

Steven R. Finch, <a href="httphttps://dx.doi.org/10.2307/2325001">Are 0-Additive Sequences Always Regular?</a>, Am. Math. Monthly 99 (7) (1992) 671-673.

Discussion

Sat May 30

16:39

OEIS Server: https://oeis.org/edit/global/3122

#45 by Andrew Howroyd at Wed Jul 16 13:36:50 EDT 2025

STATUS

reviewed

approved

#44 by Michel Marcus at Wed Jul 16 12:47:13 EDT 2025

STATUS

proposed

reviewed

#43 by Stefano Spezia at Wed Jul 16 12:01:56 EDT 2025

STATUS

editing

proposed

#42 by Stefano Spezia at Wed Jul 16 11:16:45 EDT 2025

MATHEMATICA

CoefficientList[Series[x(x^10 + 2*x^9 - 2 x^8 + 2 x^7 + x^6 + x^5 + x^4 + 3 x^3 + x^2 + 3 x + 2)/((x - 1)^2 (x^4 + x^3 + x^2 + x + 1)), {x, 0, 50}], x] (* Vincenzo Librandi, Jul 10 2014 *)

#41 by Stefano Spezia at Wed Jul 16 11:14:25 EDT 2025

REFERENCES

James J. Tattersall, Elementary Number Theory in Nine Chapters, Cambridge University Press, 1999, page 117.

STATUS

approved

editing

#40 by Michel Marcus at Mon Mar 13 03:52:46 EDT 2023

STATUS

reviewed

approved

#39 by Joerg Arndt at Mon Mar 13 03:23:35 EDT 2023

STATUS

proposed

reviewed

#38 by Jon E. Schoenfield at Mon Mar 13 03:22:14 EDT 2023

STATUS

editing

proposed

#37 by Jon E. Schoenfield at Mon Mar 13 03:22:09 EDT 2023

NAME

a(n) is smallest number larger than a(n-1) and not = a(j) + a(k), j < k.

REFERENCES

R. K. Guy, ``"s-Additive sequences,'' ", preprint, 1994.

STATUS

approved

editing

Showing entries 1-10 | older changes