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A253591 a(n) is the largest prime occurring (as a factor) in all terms up to A098550(n). 2
2, 3, 3, 3, 3, 5, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 11, 13, 13, 13, 13, 13, 13, 13, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 19, 19, 19, 19, 19, 19, 19, 19, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 29, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,1

LINKS

Table of n, a(n) for n=2..69.

CROSSREFS

Cf. A098550, A253593

Sequence in context: A329245 A155047 A029088 * A129263 A035367 A042959

Adjacent sequences:  A253588 A253589 A253590 * A253592 A253593 A253594

KEYWORD

nonn,easy

AUTHOR

Bob Selcoe, Jan 04 2015

STATUS

approved

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Last modified July 25 22:19 EDT 2021. Contains 346294 sequences. (Running on oeis4.)