A253591 - OEIS

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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: A155047 A369451 A029088 * A129263 A035367 A042959

Adjacent sequences: A253588 A253589 A253590 * A253592 A253593 A253594

KEYWORD

nonn,easy

AUTHOR

Bob Selcoe, Jan 04 2015

STATUS

approved