A280746 - OEIS

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A280746

Index of 2^n in A280864.

2

1, 2, 3, 6, 13, 30, 65, 127, 258, 530, 1009, 1988, 3942, 8004, 16195, 32389, 64923, 129870, 260326, 520787, 1043257, 2085202, 4171403, 8338443

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

OFFSET

0,2

LINKS

Table of n, a(n) for n=0..23.

EXAMPLE

A280864(30) = 32, so a(5) = 30.

CROSSREFS

Cf. A280864, A282024.

Sequence in context: A107316 A124682 A079512 * A174191 A052937 A005554

Adjacent sequences: A280743 A280744 A280745 * A280747 A280748 A280749

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Jan 13 2017

EXTENSIONS

a(17)-a(23) from Lars Blomberg, Jan 14 2017

STATUS

approved