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!)
A139259 Triangle read by rows: row n lists the digits of A139258(n), the palindromic number formed from the reflected decimal expansion of Euler's constant (or Euler-Mascheroni constant) gamma. 3
5, 5, 5, 5, 7, 5, 5, 7, 7, 5, 5, 7, 7, 7, 5, 5, 7, 7, 7, 7, 5, 5, 7, 7, 2, 7, 7, 5, 5, 7, 7, 2, 2, 7, 7, 5, 5, 7, 7, 2, 1, 2, 7, 7, 5, 5, 7, 7, 2, 1, 1, 2, 7, 7, 5, 5, 7, 7, 2, 1, 5, 1, 2, 7, 7, 5, 5, 7, 7, 2, 1, 5, 5, 1, 2, 7, 7, 5 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Also, successive digits of A139258.

LINKS

Table of n, a(n) for n=1..78.

EXAMPLE

Triangle begins:

....... 5

...... 5,5

..... 5,7,5

.... 5,7,7,5

... 5,7,7,7,5

CROSSREFS

Decimal expansion of gamma: A001620. Cf. A138068, A138070, A138072, A139258, A139260, A139261.

Sequence in context: A243757 A321689 A076568 * A105444 A240233 A033299

Adjacent sequences:  A139256 A139257 A139258 * A139260 A139261 A139262

KEYWORD

easy,nonn,tabl,base

AUTHOR

Omar E. Pol, May 01 2008

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 12 13:56 EST 2018. Contains 318063 sequences. (Running on oeis4.)