A227827 a(0)=3; for n>0, a(n) is the smallest (odd or even) prime p such that the n-th prime p_n divides a(n-1)+p.

3, 3, 3, 2, 5, 17, 61, 7, 31, 61, 113, 11, 137, 109, 149, 227, 197, 157, 331, 71, 71, 2, 709, 619, 271, 311, 1103, 751, 2459, 157, 521, 241, 283, 1087, 859, 631, 577, 1307, 1301, 2039, 37, 1753, 419, 727, 431, 751, 443, 401, 491, 2687, 61

Offset

0,1

Comments

a(0) could be any odd prime - the rest of the sequence is unchanged.

Agrees with A227828 from a(8) on.

Links

Table of n, a(n) for n=0..50.

Crossrefs

Cf. A227826, A227828.

Sequence in context: A259301 A200777 A333537 * A033700 A122916 A300372

Adjacent sequences: A227824 A227825 A227826 * A227828 A227829 A227830

Keyword

nonn

Author

Daniel Drucker, Jul 21 2013

Status

approved