login
This site is supported by donations to The OEIS Foundation.

 

Logo

Annual Appeal: Please make a donation to keep the OEIS running. In 2018 we replaced the server with a faster one, added 20000 new sequences, and reached 7000 citations (often saying "discovered thanks to the OEIS").
Other ways to donate

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A169693 A169690 union A169691. 4
1, 2, 3, 4, 5, 7, 8, 11, 12, 13, 18, 20, 21, 29, 32, 33, 34, 47, 52, 54, 55, 76, 84, 87, 88, 89, 123, 136, 141, 143, 144, 199, 220, 228, 231, 232, 233, 322, 356, 369, 374, 376, 377, 521, 576, 597, 605, 608, 609, 610, 843, 932, 966, 979, 984, 986, 987, 1364, 1508, 1563, 1584 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..61.

CROSSREFS

Sequence in context: A054021 A066191 A166159 * A180121 A062890 A259626

Adjacent sequences:  A169690 A169691 A169692 * A169694 A169695 A169696

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Apr 14 2010

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 December 13 08:08 EST 2018. Contains 318082 sequences. (Running on oeis4.)