login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 56th year, we are closing in on 350,000 sequences, and we’ve crossed 9,700 citations (which often say “discovered thanks to the OEIS”).

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A045987 Describe 2^n. 2
11, 12, 14, 18, 1116, 1312, 1614, 111218, 121516, 151112, 11101214, 12101418, 14101916, 18111912, 1116131814, 1312171618, 16251316, 111311101712, 1216121124, 1512141228, 11101418151716, 12101917111512, 14111914131014 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..22.

EXAMPLE

16 has "one 1, one 6", so a(4) = 1116.

CROSSREFS

Cf. A005150, A045986, A045988.

Sequence in context: A108722 A246139 A034907 * A121978 A274566 A349153

Adjacent sequences:  A045984 A045985 A045986 * A045988 A045989 A045990

KEYWORD

nonn,easy,base

AUTHOR

N. J. A. Sloane

EXTENSIONS

More terms from Patrick De Geest, Jun 15 1999

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified November 29 21:32 EST 2021. Contains 349416 sequences. (Running on oeis4.)