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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A181151 a(n) = prime(n)^3 + prime(n)^2 + 1. 1
13, 37, 151, 393, 1453, 2367, 5203, 7221, 12697, 25231, 30753, 52023, 70603, 81357, 106033, 151687, 208861, 230703, 305253, 362953, 394347, 499281, 578677, 712891, 922083, 1040503, 1103337, 1236493, 1306911, 1455667, 2064513, 2265253, 2590123, 2704941, 3330151, 3465753, 3894543, 4357317, 4685353, 5207647, 5767381 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

EXAMPLE

a(4)=393 because the 4th prime is 7, 7^3=343, 7^2=49, and 343+49+1=393.

MAPLE

A181151 := n -> map (p -> p^(3)+p^(2)+1, ithprime(n)):

seq (A181151(n), n=1..41);

MATHEMATICA

#^3+#^2+1&/@Prime[Range[45]]  (* Harvey P. Dale, Jan 25 2011 *)

PROG

(MAGMA) [p^3+p^2+1: p in PrimesUpTo(700)]; // Vincenzo Librandi, Jan 26 2011

CROSSREFS

Cf. A060800.

Sequence in context: A265653 A206443 A155297 * A155903 A139860 A201480

Adjacent sequences:  A181148 A181149 A181150 * A181152 A181153 A181154

KEYWORD

nonn,easy

AUTHOR

Jani Melik, Jan 24 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 November 16 17:33 EST 2019. Contains 329201 sequences. (Running on oeis4.)