login
A165520
Antidiagonal writing from three rows trio A165351,A165355,A165367 (first,second and third trisections of A026741).
0
0, 1, 3, 1, 2, 3, 5, 7, 9, 4, 5, 6, 11, 13, 15, 7, 8, 9, 17, 19, 21, 10, 11, 12, 23, 25, 27, 13, 14, 15, 29, 31, 33
OFFSET
1,3
COMMENTS
(6n+3)-th term is 6n+3=A016945. 6n-th term is 3n=3*n=A008585.
FORMULA
Mix (A004273(3n),A004273(3n+1),A004273(3n+2)), (A000027(3n),A000027(3n+1),A000027(3n+2)).
CROSSREFS
Sequence in context: A173234 A205017 A334473 * A107341 A209849 A245547
KEYWORD
nonn,uned
AUTHOR
Paul Curtz, Sep 21 2009
STATUS
approved