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A346107
a(n) = A108951(A346097(n)), where A346097(n) gives the denominator of the primorial deflation of A276086(A108951(n)).
6
1, 2, 6, 4, 30, 36, 210, 2, 6, 900, 2310, 1296, 30030, 44100, 729000000, 4, 510510, 36, 9699690, 810000, 85766121000000, 5336100, 223092870, 216, 39690000, 901800900, 1260, 1944810000, 6469693230, 24300000, 200560490130, 60, 151939915084881000000, 260620460100, 3782285936100000000, 1296, 7420738134810, 94083986096100
OFFSET
1,2
FORMULA
a(n) = A346106(n) / A324886(n).
PROG
(PARI)
A064989(n) = {my(f); f = factor(n); if((n>1 && f[1, 1]==2), f[1, 2] = 0); for (i=1, #f~, f[i, 1] = precprime(f[i, 1]-1)); factorback(f)};
A319627(n) = (A064989(n) / gcd(n, A064989(n)));
A346107(n) = A108951(A346097(n)); \\ Rest of program given in A324886.
KEYWORD
nonn
AUTHOR
Antti Karttunen, Jul 08 2021
STATUS
approved