login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A095985 Numbers n such that n * (largest digit of n) is a triangular number. 0

%I #4 Dec 15 2017 17:36:42

%S 0,1,6,10,19,34,39,46,63,124,159,165,175,245,255,266,292,301,330,336,

%T 354,369,426,539,555,582,889,1036,1140,1273,1287,1292,1309,1449,1452,

%U 1463,1550,1645,1705,1790,1974,1995,2175,2189,2235,2301,2366,2369,2392

%N Numbers n such that n * (largest digit of n) is a triangular number.

%e a(5)=34 because 34*4=136, a triangular number.

%Y Cf. A054055.

%K base,easy,nonn

%O 1,3

%A _Jason Earls_, Jul 17 2004

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 18 21:02 EDT 2024. Contains 370951 sequences. (Running on oeis4.)