A252006 a(n) = sum of digits of A252005(n) and A252005(n+1).

5, 5, 7, 13, 19, 13, 7, 19, 31, 31, 31, 31, 19, 19, 31, 31, 19, 19, 31, 37, 37, 31, 31, 31, 31, 31, 31, 31, 31, 37, 37, 37, 37, 37, 31, 19, 19, 19, 19, 19, 13, 19, 31, 31, 31, 31, 31, 31, 31, 31, 31, 37, 43, 37, 37, 37, 31, 43, 37, 31, 31, 31, 31, 19, 19, 31, 31, 19, 19, 31, 31, 31, 43, 37, 31, 37, 31

Offset

1,1

Comments

All terms are prime. The sequence is non-monotonic.

Links

Table of n, a(n) for n=1..77.

Crossrefs

Cf. A007953, A252005.

Sequence in context: A134130 A078551 A247877 * A158299 A093307 A264388

Adjacent sequences: A252003 A252004 A252005 * A252007 A252008 A252009

Keyword

base,nonn

Author

Zak Seidov, Dec 12 2014

Status

approved