

A278059


Relative of Hofstadter Qsequence: a(n) = n for 1 <= n <= 7; a(n) = a(na(n1)) + a(na(n2)) for n > 7.


11



1, 2, 3, 4, 5, 6, 7, 3, 8, 9, 5, 10, 6, 7, 11, 13, 10, 8, 13, 17, 7, 16, 20, 7, 13, 19, 10, 16, 19, 12, 23, 25, 12, 24, 25, 15, 26, 30, 14, 28, 16, 26, 20, 15, 25, 30, 26, 24, 33, 29, 24, 36, 29, 21, 43, 31, 26, 35, 19, 29, 51, 17, 40, 33, 38, 28
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OFFSET

1,2


COMMENTS

Similar to Hofstadter's Qsequence A005185 but with different starting values.
Much like the Hofstadter Qsequence, it is not known if this sequence is defined for all positive n.
a(n) exists for n <= 3*10^7.


LINKS

Nathan Fox, Table of n, a(n) for n = 1..10000
N. Fox, Hofstadterlike Sequences over Nonstandard Integers, Talk given at the Rutgers Experimental Mathematics Seminar, November 10 2016.


CROSSREFS

Cf. A005185, A278056, A278057, A278058, A278060, A278061, A278062, A278063, A278064, A278065.
Sequence in context: A279648 A066323 A245347 * A115871 A138221 A038388
Adjacent sequences: A278056 A278057 A278058 * A278060 A278061 A278062


KEYWORD

nonn


AUTHOR

Nathan Fox, Nov 10 2016


STATUS

approved



