1,2

1 3 4 7 8 11 16 21 22 27 30 31 34

(1)+1=2, which is prime; (3)+2=5=prime; (4)+3=7=prime; (7)+4=11=prime; (8)+5=13=prime; etc.

Adjacent sequences: A107816 A107817 A107818 this_sequence A107820 A107821 A107822

Sequence in context: A003657 A003644 A033195 this_sequence A050032 A014602 A078823

base,easy,nonn

Eric Angelini (eric.angelini(AT)kntv.be), Jun 11 2005