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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A320680 Number of 5-element subsets of [n] having a prime element sum. 2
0, 2, 7, 13, 31, 59, 110, 191, 322, 497, 743, 1053, 1469, 1998, 2698, 3574, 4696, 6051, 7710, 9663, 11998, 14718, 17957, 21715, 26130, 31196, 37041, 43632, 51121, 59468, 68839, 79212, 90775, 103504, 117648, 133203, 150449, 169407, 190387, 213403, 238807 (list; graph; refs; listen; history; text; internal format)
OFFSET

5,2

LINKS

Alois P. Heinz, Table of n, a(n) for n = 5..500

CROSSREFS

Column k=5 of A282516.

Sequence in context: A127396 A294839 A231478 * A079119 A051748 A086904

Adjacent sequences:  A320677 A320678 A320679 * A320681 A320682 A320683

KEYWORD

nonn

AUTHOR

Alois P. Heinz, Oct 19 2018

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 April 21 20:03 EDT 2019. Contains 322328 sequences. (Running on oeis4.)