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A300570 a(n) is the concatenation n in base 2, n-1 in base 2, ..., 1 in base 2. 2
1, 101, 11101, 10011101, 10110011101, 11010110011101, 11111010110011101, 100011111010110011101, 1001100011111010110011101, 10101001100011111010110011101, 101110101001100011111010110011101, 1100101110101001100011111010110011101 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Seiichi Manyama, Table of n, a(n) for n = 1..155

MATHEMATICA

Table[FromDigits[Flatten[IntegerDigits[#, 2]&/@Range[n, 1, -1]]], {n, 20}] (* Harvey P. Dale, Sep 07 2020 *)

CROSSREFS

Cf. A007088, A058935, A300571.

Cf. A098780 (decimal expansion of terms).

Sequence in context: A138148 A138831 A267920 * A171825 A267937 A068160

Adjacent sequences:  A300567 A300568 A300569 * A300571 A300572 A300573

KEYWORD

nonn,base

AUTHOR

Seiichi Manyama, Mar 08 2018

STATUS

approved

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Last modified September 22 07:47 EDT 2021. Contains 347605 sequences. (Running on oeis4.)