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

 

Logo

Annual Appeal: Please make a donation (tax deductible in USA) to keep the OEIS running. Over 5000 articles have referenced us, often saying "we discovered this result with the help of the OEIS".

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A090877 Difference between irregular and regular primes of the same index. 0
35, 56, 62, 94, 92, 118, 132, 138, 210, 228, 232, 230, 240, 246, 254, 250, 276, 280, 300, 306, 312, 312, 314, 324, 348, 336, 330, 352, 372, 378, 380, 384, 398, 406, 402, 414, 416, 418, 408, 408, 420, 424, 420, 432, 426, 414, 414, 446, 438, 440, 430, 436, 448 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..53.

EXAMPLE

The 10th regular prime is 29. The 10th irregular prime is 257. 257-29 = 228, the 10th entry in the table.

CROSSREFS

Sequence in context: A267999 A157352 A176255 * A048033 A254366 A242291

Adjacent sequences:  A090874 A090875 A090876 * A090878 A090879 A090880

KEYWORD

nonn

AUTHOR

Cino Hilliard, Feb 13 2004

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 December 7 09:29 EST 2016. Contains 278849 sequences.