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A252006 a(n) = sum of digits of A252005(n) and A252005(n+1). 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 (list; graph; refs; listen; history; text; internal format)
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

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Last modified July 6 12:26 EDT 2022. Contains 355110 sequences. (Running on oeis4.)