A151712 a(n) = A048883(n) + 1.

2, 4, 4, 10, 4, 10, 10, 28, 4, 10, 10, 28, 10, 28, 28, 82, 4, 10, 10, 28, 10, 28, 28, 82, 10, 28, 28, 82, 28, 82, 82, 244, 4, 10, 10, 28, 10, 28, 28, 82, 10, 28, 28, 82, 28, 82, 82, 244, 10, 28, 28, 82, 28, 82, 82, 244, 28, 82, 82, 244, 82, 244, 244, 730, 4, 10, 10, 28, 10, 28, 28

Offset

0,1

Comments

Rows of A079314 when written as a triangle converge to this sequence.

Links

Paolo Xausa, Table of n, a(n) for n = 0..10000

Example

If written as a triangle:
  2;
  4;
  4,10;
  4,10,10,28;
  4,10,10,28,10,28,28,82;
  4,10,10,28,10,28,28,82,10,28,28,82,28,82,82,244;

Mathematica

A151712list[nmax_]:=3^DigitCount[Range[0, nmax], 2, 1]+1; A151712list[100] (* Paolo Xausa, Jul 15 2023 *)

Crossrefs

Cf. A048883, A079314, A162784.

Sequence in context: A216162 A114215 A292302 * A253827 A186987 A300549

Adjacent sequences: A151709 A151710 A151711 * A151713 A151714 A151715

Keyword

tabf,nonn

Author

Omar E. Pol, Jul 19 2009

Extensions

Simpler definition, new offset and more terms from N. J. A. Sloane, Jul 22 2009

Status

approved