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A094505 Powers of 2 which are not the sum of divisors of any other number. Powers of 2 present in A007369. 2
2, 16, 64, 2048 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

The next term, 2^470, is too large to include.

LINKS

Table of n, a(n) for n=1..4.

FORMULA

a(n) = 2^A078426(n).

CROSSREFS

Cf. A007369, A000203, A046528, A094502.

Sequence in context: A076616 A222381 A110048 * A035598 A167566 A034579

Adjacent sequences:  A094502 A094503 A094504 * A094506 A094507 A094508

KEYWORD

nonn

AUTHOR

Labos Elemer, Jun 02 2004

STATUS

approved

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Last modified April 26 04:04 EDT 2019. Contains 322469 sequences. (Running on oeis4.)