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A020904

Positions of 2 in A020903; complement of A191777.

2, 4, 7, 9, 11, 13, 16, 18, 22, 24, 27, 29, 31, 34, 37, 39, 42, 44, 46, 48, 51, 53, 56, 58, 61, 63, 65, 67, 69, 72, 74, 76, 79, 81, 84, 86, 88, 90, 92, 94, 97, 99, 101, 103, 106, 108, 111, 113, 115, 117, 121, 123, 126, 128, 130, 132, 135, 137, 139, 142

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Table of n, a(n) for n=1..60.

C. Kimberling, Fractal sequences

C. Kimberling, Numeration systems and fractal sequences, Acta Arithmetica 73 (1995) 103-117.

EXAMPLE

A020903 starts 1,2,1,2,1,1,2,1,2,... in which 2 occupies positions 2, 4, 7, 9, 11,... (Positions refer to offset 1 in A020903).

MATHEMATICA

(See A020903.)

CROSSREFS