A321323 - 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 62nd year, we have over 390,000 sequences, and we’ve reached 12,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

A321323

Numbers k such that k^(2^20) + 1 is prime (a generalized Fermat prime).

1, 919444, 1059094, 1951734, 1963736, 3843236

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

LINKS

Table of n, a(n) for n=1..6.

Chris K. Caldwell, The Prime Database: 919444^1048576 + 1

Chris K. Caldwell, The Prime Database: 1059094^1048576 + 1

Chris K. Caldwell, The Prime Database: ?^1048576 + 1