A090877 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 60th year, we have over 367,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

A090877

Difference between irregular and regular primes of the same index.

%I #3 Oct 01 2013 17:57:58

%S 35,56,62,94,92,118,132,138,210,228,232,230,240,246,254,250,276,280,

%T 300,306,312,312,314,324,348,336,330,352,372,378,380,384,398,406,402,

%U 414,416,418,408,408,420,424,420,432,426,414,414,446,438,440,430,436,448

%N Difference between irregular and regular primes of the same index.

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

%K nonn

%O 1,1

%A _Cino Hilliard_, Feb 13 2004

License Agreements, Terms of Use, Privacy Policy. .

Last modified December 7 14:54 EST 2023. Contains 367657 sequences. (Running on oeis4.)