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A162784 a(n) = (A048883(n)+1)/2. 1
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 (list; graph; refs; listen; history; text; internal format)
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-Fran├žois Alcover, Nov 15 2017 *)

CROSSREFS

Cf. A048883, A079314, A079318, A151712.

Sequence in context: A292146 A334685 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

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Last modified May 28 01:34 EDT 2020. Contains 334671 sequences. (Running on oeis4.)