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!)
A151911 Abs(square of n-th prime minus cube of n-1). 0
4, 8, 17, 22, 57, 44, 73, 18, 17, 112, 39, 38, 47, 348, 535, 566, 615, 1192, 1343, 1818, 2671, 3020, 3759, 4246, 4415, 5424, 6967, 8234, 10071, 11620, 10871, 12630, 13999, 16616, 17103, 20074, 22007, 24084, 26983, 29390, 31959, 36160, 37607, 42258, 46375, 51524, 52815, 54094, 59063, 65208 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..50.

FORMULA

a(n)=|A001248(n)-A000578(n-1)|.

EXAMPLE

a(1)=4(=2^2-0^3); a(2)=8(=3^2-1^3); a(3)=17(=5^2-2^3).

MATHEMATICA

Table[Abs[Prime[n]^2-(n-1)^3], {n, 60}] (* Harvey P. Dale, Jun 14 2011 *)

CROSSREFS

Cf. A001248, A000578.

Sequence in context: A074025 A031462 A045066 * A037242 A158139 A026393

Adjacent sequences:  A151908 A151909 A151910 * A151912 A151913 A151914

KEYWORD

nonn

AUTHOR

Juri-Stepan Gerasimov, Aug 01 2009

EXTENSIONS

Definition, values and formula corrected by R. J. Mathar, Aug 05 2009

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 May 29 10:41 EDT 2020. Contains 334699 sequences. (Running on oeis4.)