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A335117 Records in A304480. 4
1, 3, 25, 241, 505, 65521, 131041, 171865, 138181681, 6814407601, 20174525281, 45185409361, 558781423201, 685933859521, 2601256998740401, 4578654981700801, 15571124394460034401, 375159113055066740401, 124708934978441512498801, 127589793288205521873601, 8644416283014847832296801, 29217965124687229769336641 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Seiichi Manyama, Table of n, a(n) for n = 1..85

Project Euler, Problem 533 - Minimum values of the Carmichael function

Wikipedia, Carmichael function

FORMULA

a(n) = A304480(A335116(n)).

a(n) = A335128(n-1)+1 for n > 2.

CROSSREFS

Cf. A304480, A335116, A335128.

Sequence in context: A066221 A332468 A134272 * A171640 A099913 A245925

Adjacent sequences:  A335114 A335115 A335116 * A335118 A335119 A335120

KEYWORD

nonn

AUTHOR

Seiichi Manyama, May 24 2020

STATUS

approved

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Last modified May 17 05:13 EDT 2021. Contains 343965 sequences. (Running on oeis4.)