Let the n-th Carmichael number A002997(n) = p1*p2*...*pr, where p1 < p2 < ... < pr are primes. Then a(n) = (p1-1) * (p1*p2*...*pr - 1)^(r-2) / ((p2-1)*...*(pr-1)).

A180044

Let the n-th Carmichael number A002997(n) = p1*p2*...*pr, where p1 < p2 < ... < pr are primes. Then a(n) = (p1-1) * (p1*p2*...*pr - 1)^(r-2) / ((p2-1)*...*(pr-1)).

Terms

    a(0) =7a(1) =23a(2) =48a(3) =22a(4) =47a(5) =45a(6) =45a(7) =21a(8) =44a(9) =163a(10) =2105352a(11) =162a(12) =43a(13) =486266a(14) =3157729a(15) =9859600a(16) =5110605a(17) =161a(18) =6146018a(19) =280a(20) =8225424a(21) =9135075a(22) =1684a(23) =6185169a(24) =1363a(25) =159a(26) =351a(27) =59907600a(28) =950a(29) =1675

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