0,1

Table of n, a(n) for n=0..69.

4+6+8+9 = 27. The next term is 12 instead of 10 as 27 +10 is a prime but 27 +12 = 39 is composite.

Sequence in context: A105803 A202268 A084985 * A163520 A273546 A176539

Adjacent sequences: A068628 A068629 A068630 * A068632 A068633 A068634

easy,nonn

Amarnath Murthy, Feb 26 2002

More terms from Larry Reeves (larryr(AT)acm.org), Jun 21 2002

approved