1,1

2 is in the sequence because (2-1)*2^2+1 = 1*2^2+1 = 4+1 = 5, which is prime

Sequence in context: A009291 A081440 A158094 this_sequence A153229 A058006 A013329

Adjacent sequences: A108876 A108877 A108878 this_sequence A108880 A108881 A108882

more,nonn

Ray G. Opao (1260(AT)email.com), Jul 14 2005