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A324201 a(n) = A062457(A000043(n)) = prime(A000043(n))^A000043(n), where A000043 gives the exponent of the n-th Mersenne prime. 21
9, 125, 161051, 410338673, 925103102315013629321, 1271991467017507741703714391419, 49593099428404263766544428188098203, 165163983801975082169196428118414326197216835208154294976154161023 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

If there are no odd perfect numbers, then the terms give all solutions n > 1 to A323244(n) = 0.

LINKS

Table of n, a(n) for n=1..8.

FORMULA

a(n) = A062457(A000043(n)).

A323244(a(n)) = 0.

a(n) = A005940(1+A000396(n)). [Provided no odd perfect numbers exist]

CROSSREFS

Cf. A000043, A000396, A005940, A062457, A323244, A324200.

Sequence in context: A192724 A078422 A291897 * A224495 A064199 A092343

Adjacent sequences:  A324198 A324199 A324200 * A324202 A324203 A324204

KEYWORD

nonn

AUTHOR

Antti Karttunen, Feb 18 2019

STATUS

approved

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Last modified February 17 18:37 EST 2020. Contains 332005 sequences. (Running on oeis4.)