1,1

a(3) = Prime[a(2) + a(1)] = Prime[2 + 2] = Prime(4) = 7.

Sequence in context: A049955 A156464 A156520 this_sequence A138802 A047003 A067352

Adjacent sequences: A069098 A069099 A069100 this_sequence A069102 A069103 A069104

nonn

Joseph L. Pe (joseph_l_pe(AT)hotmail.com), Apr 06 2002