

A278063


Relative of Hofstadter Qsequence: a(n) = n for 1 <= n <= 11; a(n) = a(na(n1)) + a(na(n2)) for n > 11.


11



1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 3, 12, 13, 5, 14, 6, 7, 15, 17, 10, 8, 17, 21, 12, 18, 14, 23, 11, 22, 26, 16, 13, 17, 15, 25, 11, 26, 35, 18, 23, 36, 24, 25, 27, 25, 25, 34, 26, 35, 26, 24, 25, 33, 30, 35, 22, 42, 17, 31, 47, 31, 30, 30
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OFFSET

1,2


COMMENTS

Similar to Hofstadter's Qsequence A005185 but with different starting values.
This sequence has exactly 199 terms, since a(199)=206 and computing a(200) would refer to a(6).


LINKS

Nathan Fox, Table of n, a(n) for n = 1..199
N. Fox, Hofstadterlike Sequences over Nonstandard Integers, Talk given at the Rutgers Experimental Mathematics Seminar, November 10 2016.


PROG

(MAGMA) [n le 11 select n else Self(nSelf(n1))+Self(nSelf(n2)): n in [1..70]]; // Bruno Berselli, Nov 15 2016


CROSSREFS

Cf. A005185, A278056, A278057, A278058, A278059, A278060, A278061, A278062, A278064, A278065.
Sequence in context: A297239 A043271 A333921 * A334684 A062759 A327526
Adjacent sequences: A278060 A278061 A278062 * A278064 A278065 A278066


KEYWORD

nonn,fini,full


AUTHOR

Nathan Fox, Nov 10 2016


STATUS

approved



