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!)
A138115 Triangle read by rows: row n lists the first n digits of the decimal expansion of e. 1
2, 2, 7, 2, 7, 1, 2, 7, 1, 8, 2, 7, 1, 8, 2, 2, 7, 1, 8, 2, 8, 2, 7, 1, 8, 2, 8, 1, 2, 7, 1, 8, 2, 8, 1, 8, 2, 7, 1, 8, 2, 8, 1, 8, 2, 2, 7, 1, 8, 2, 8, 1, 8, 2, 8, 2, 7, 1, 8, 2, 8, 1, 8, 2, 8, 4, 2, 7, 1, 8, 2, 8, 1, 8, 2, 8, 4, 5 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Also, successive digits of A011543.

LINKS

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

EXAMPLE

Triangle begins:

..... 2

.... 2,7

... 2,7,1

.. 2,7,1,8

. 2,7,1,8,2

MATHEMATICA

Module[{nn=20, ed}, ed=RealDigits[E, 10, nn][[1]]; Flatten[Table[Take[ed, n], {n, nn}]]] (* Harvey P. Dale, Dec 24 2014 *)

CROSSREFS

Cf. A001113, A011543, A138068, A138069.

Sequence in context: A138069 A208475 A082837 * A021444 A029632 A089588

Adjacent sequences:  A138112 A138113 A138114 * A138116 A138117 A138118

KEYWORD

easy,nonn,tabl,base

AUTHOR

Omar E. Pol, Mar 14 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 18 18:34 EST 2018. Contains 318243 sequences. (Running on oeis4.)