A162784 a(n) = (A048883(n)+1)/2.

1, 2, 2, 5, 2, 5, 5, 14, 2, 5, 5, 14, 5, 14, 14, 41, 2, 5, 5, 14, 5, 14, 14, 41, 5, 14, 14, 41, 14, 41, 41, 122, 2, 5, 5, 14, 5, 14, 14, 41, 5, 14, 14, 41, 14, 41, 41, 122, 5, 14, 14, 41, 14, 41, 41, 122, 14, 41, 41, 122, 41, 122, 122, 365, 2, 5, 5, 14

Offset

0,2

Comments

Rows of A079318 when written as a triangle converge to this sequence.

Links

Table of n, a(n) for n=0..67.

Formula

a(n) = A151712(n)/2.

Example

If written as a triangle:
1;
2;
2,5;
2,5,5,14;
2,5,5,14,5,14,14,41;
2,5,5,14,5,14,14,41,5,14,14,41,14,41,41,122;

Mathematica

a048883[n_] := 3^DigitCount[n, 2, 1];
a[n_] := (a048883[n] + 1)/2;
Array[a, 70, 0] (* Jean-François Alcover, Nov 15 2017 *)

Crossrefs

Cf. A048883, A079314, A079318, A151712.

Sequence in context: A334685 A340694 A101910 * A093660 A093663 A319895

Adjacent sequences: A162781 A162782 A162783 * A162785 A162786 A162787

Keyword

nonn

Author

Omar E. Pol, Jul 19 2009, Jul 23 2009

Extensions

More terms from Max Alekseyev, Feb 23 2012

Status

approved