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A089542 a(n) is the least semiprime > n^n. 4
4, 4, 33, 259, 3127, 46661, 823549, 16777219, 387420493, 10000000003, 285311670617, 8916100448287, 302875106592259, 11112006825558019, 437893890380859379, 18446744073709551617, 827240261886336764197, 39346408075296537575443, 1978419655660313589124007 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..19.

FORMULA

a(n) = n^n + A085753(n).

CROSSREFS

Cf. A001358, A085753, A089539, A089543, A089544.

Sequence in context: A217310 A298681 A189743 * A222285 A222504 A226008

Adjacent sequences:  A089539 A089540 A089541 * A089543 A089544 A089545

KEYWORD

nonn

AUTHOR

Ray Chandler, Nov 09 2003

EXTENSIONS

Name clarified by and more terms from Jinyuan Wang, Aug 01 2021

STATUS

approved

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Last modified September 20 13:56 EDT 2021. Contains 347586 sequences. (Running on oeis4.)