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!)
A105101 Sum of the vertices of ordered 3 prime sided prime triangles. 0
22, 83, 155, 235, 317, 417, 511, 613, 717, 809, 911, 1039, 1147, 1255, 1359, 1461, 1607, 1733, 1831, 1937, 2045, 2185, 2307, 2445, 2549, 2675, 2813, 2947, 3063, 3169, 3293, 3431, 3577, 3697, 3833, 3925, 4099, 4277, 4387, 4487, 4631, 4751, 4853, 4997 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

See A105100 for definition.

LINKS

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

EXAMPLE

The first 3 prime sided prime triangle is

2

3 5

7 11 13

The vertices 2,7,13 add to 22, the first entry.

PROG

(PARI) sumvert3x3(n) = { local(x, j, s); forstep(x=1, n, 6, s = prime(x)+ prime(x+3)+ prime(x+5); print1(s", ") ) }

CROSSREFS

Sequence in context: A323251 A010010 A237618 * A235766 A044209 A044590

Adjacent sequences:  A105098 A105099 A105100 * A105102 A105103 A105104

KEYWORD

easy,nonn

AUTHOR

Cino Hilliard, Apr 07 2005

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 September 23 18:00 EDT 2021. Contains 347617 sequences. (Running on oeis4.)