The OEIS is looking to hire part-time people to help edit core sequences, upload scanned documents, process citations, fix broken links, etc. - Neil Sloane, firstname.lastname@example.org
Complete list of 20 prime numbers also of the form n^2+n+41 for n=20 to 39
Table of n, a(n) for n=1..20.
Sequence in context: A048923 A252535 A264242 * A227994 A142832 A277989
Adjacent sequences: A107970 A107971 A107972 * A107974 A107975 A107976
Pierre CAMI, Jun 12 2005