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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A194660 Numbers which can be written with their digits in order and only addition and cube operator. 1
153, 224, 226, 243, 370, 371, 372, 373, 374, 375, 376, 377, 378, 379, 407, 512, 517, 518, 736, 739, 1125, 1216, 1456, 1459, 1547, 1674, 1729, 2205, 2240, 2241, 2242, 2243, 2244, 2245, 2246, 2247, 2248, 2249, 2752, 2759, 2773, 3259, 3527, 3925 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..44.

Erich Friedman, Problem of the month August 2003

EXAMPLE

Let us consider parentheses as cubing operator.

153 = 1^3 + 5^3 + 3^3.

224 = 2^3 + (2 + 4)^3.

226 = 2 + 2^3 + 6^3.

243 = (2 + 4)^3 + 3^3.

CROSSREFS

Sequence in context: A272767 A104810 A253023 * A159294 A332228 A066528

Adjacent sequences:  A194657 A194658 A194659 * A194661 A194662 A194663

KEYWORD

nonn,base

AUTHOR

Kausthub Gudipati, Sep 01 2011

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 August 5 07:54 EDT 2021. Contains 346464 sequences. (Running on oeis4.)