login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A278068 Relative of Hofstadter Q-sequence: a(1) = 57, a(2) = 2; thereafter a(n) = a(n-a(n-1)) + a(n-a(n-2)). 8
57, 2, 57, 2, 57, 2, 57, 2, 57, 2, 57, 2, 57, 2, 57, 2, 57, 2, 57, 2, 57, 2, 57, 2, 57, 2, 57, 2, 57, 2, 57, 2, 57, 2, 57, 2, 57, 2, 57, 2, 57, 2, 57, 2, 57, 2, 57, 2, 57, 2, 57, 2, 57, 2, 57, 2, 57, 59, 2, 116, 2, 116, 2, 116, 2, 116, 2, 116, 2, 116, 2, 116 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

In calculating terms of this sequence, use the convention that a(n)=0 for n<=0.

This sequence is eventually, beginning with a(3128), quasilinear with quasiperiod 1402.

LINKS

Nathan Fox, Table of n, a(n) for n = 1..10000

N. Fox, Hofstadter-like Sequences over Nonstandard Integers", Talk given at the Rutgers Experimental Mathematics Seminar, November 10 2016.

Nathan Fox, Formula for a(n)

CROSSREFS

Cf. A005185, A275163, A278066, A278067.

Sequence in context: A307938 A244190 A013682 * A126828 A241310 A033377

Adjacent sequences:  A278065 A278066 A278067 * A278069 A278070 A278071

KEYWORD

nonn

AUTHOR

Nathan Fox, Nov 13 2016

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 6 18:59 EDT 2020. Contains 334832 sequences. (Running on oeis4.)