

A183210


Tree generated by 3n2.


0



1, 2, 4, 3, 10, 6, 7, 5, 28, 15, 16, 9, 19, 11, 13, 8, 82, 42, 43, 23, 46, 24, 25, 14, 55, 29, 31, 17, 37, 20, 22, 12, 244, 123, 124, 63, 127, 65, 67, 35, 136, 69, 70, 36, 73, 38, 40, 21, 163, 83, 85, 44, 91, 47, 49, 26, 109, 56, 58, 30, 64, 33, 34, 18, 730
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OFFSET

1,2


COMMENTS

A permutation of the positive integers. See A183079 and A183209. Leftmost branch: A034472. Rightmost branch: A061419.


LINKS

Table of n, a(n) for n=1..65.


FORMULA

Let L(n)=3n2.
Let U(n)=A007494(n); U is the complement of L.
The treearray T(n,k) is then given by rows:
T(0,0)=1; T(1,0)=2;
T(n,2j)=L(T(n1),j);
T(n,2j+1)=U(T(n1),j);
for j=0,1,...,2^(n1)1, n>=2.


CROSSREFS

Cf. A183079, A034472, A061418, A061419, A016777, A007494.
Sequence in context: A082382 A239599 A271864 * A226367 A324934 A240271
Adjacent sequences: A183207 A183208 A183209 * A183211 A183212 A183213


KEYWORD

nonn


AUTHOR

Clark Kimberling, Dec 30 2010


STATUS

approved



