A169697 The rows of A169689 converge to 4 times this sequence.

1, 5, 3, 19, 3, 15, 9, 65, 3, 15, 9, 57, 9, 45, 27, 211, 3, 15, 9, 57, 9, 45, 27, 195, 9, 45, 27, 171, 27, 135, 81, 665, 3, 15, 9, 57, 9, 45, 27, 195, 9, 45, 27, 171, 27, 135, 81, 633, 9, 45, 27, 171, 27, 135, 81, 585, 27, 135, 81, 513, 81, 405, 243, 2059, 3, 15, 9, 57, 9, 45, 27, 195

Offset

1,2

Links

Table of n, a(n) for n=1..72.

Formula

If n = 2^m*(2t+1) then a(n) = (3^(m+1)-2^(m+1))*3^wt(t) where wt() = A000120().

Crossrefs

Cf. A169689. Bisections: A048883, A169698.

Sequence in context: A075453 A349118 A073845 * A092525 A101367 A338790

Adjacent sequences: A169694 A169695 A169696 * A169698 A169699 A169700

Keyword

nonn

Author

N. J. A. Sloane, Apr 15 2010

Status

approved