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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A061086 a(n) = concatenation of n with n^3. 5
11, 28, 327, 464, 5125, 6216, 7343, 8512, 9729, 101000, 111331, 121728, 132197, 142744, 153375, 164096, 174913, 185832, 196859, 208000, 219261, 2210648, 2312167, 2413824, 2515625, 2617576, 2719683, 2821952, 2924389, 3027000, 3129791, 3232768, 3335937 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

REFERENCES

Felice Russo, A set of Smarandache Functions, sequences and conjectures in number theory, page 65.

LINKS

Table of n, a(n) for n=1..33.

FORMULA

a(n) = n*10^floor(1+log10(n^3)) + n^3, with n>=1. - Paolo P. Lava, Nov 14 2008

EXAMPLE

a(13) = 132197, where 2197 = 13^3.

MAPLE

P:=proc(i) local a, n; for n from 1 by 1 to i do a:=n*10^floor(evalf(1+log10(n^3), 100))+n^3; print(a); od; end: P(100); # Paolo P. Lava, Nov 14 2008

MATHEMATICA

Table[FromDigits[Join[IntegerDigits[n], IntegerDigits[n^3]]], {n, 40}] (* Vincenzo Librandi, Jan 03 2015 *)

PROG

(MAGMA) [Seqint(Intseq(n^3) cat Intseq(n)): n in [1..40]]; // Vincenzo Librandi, Jan 03 2015

CROSSREFS

Cf. A020338, A053061.

Sequence in context: A264443 A242941 A018944 * A201633 A274130 A034276

Adjacent sequences:  A061083 A061084 A061085 * A061087 A061088 A061089

KEYWORD

nonn,base

AUTHOR

Amarnath Murthy, Apr 19 2001

EXTENSIONS

Offset corrected by Charles R Greathouse IV, Sep 20 2012

More terms from Vincenzo Librandi, Jan 03 2015

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 | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 19 13:38 EDT 2018. Contains 316361 sequences. (Running on oeis4.)