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1,4
Table of n, a(n) for n=1..12.
1/1; --> 1 1
1/1 1/1; -->
1/1 1/3 1/1; --> 1 3
1/1 4/3 4/3 1/1; -->
1/1 7/3 8/3 7/3 1/1; --> 8 3
1/1 10/3 5/1 5/1 10/3 1/1;
1/1 13/3 25/3 10/1 25/3 13/3 1/1;
1/1 16/3 38/3 55/3 55/3 38/3 16/3 1/1; ...
Cf. A046534.
Sequence in context: A106230 A205126 A016623 * A233129 A035292 A144457
Adjacent sequences: A046540 A046541 A046542 * A046544 A046545 A046546
tabf,nonn,frac
Mohammad K. Azarian
approved