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A330744 Primorial deflation of A133411(n), where A133411(n) is the smallest highly composite number of the form k*a(n-1) where k is an integer greater than 1. 4
1, 2, 4, 6, 12, 24, 40, 60, 84, 168, 336, 528, 792, 936, 1872, 2448, 2736, 4560, 5520, 8280, 11592, 23184, 29232, 31248, 62496, 74592, 124320, 137760, 144480, 157920, 315840, 356160, 559680, 623040, 644160, 966240, 1061280, 1124640, 1686960, 1734480, 2049840, 2218320, 2330640, 2499120, 4165200, 4539600, 4726800, 4820400 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
a(n) is the unique integer k such that A108951(k) = A133411(n).
Note that this sequence is strictly growing, even though A329902 (whose subsequence this is) is not monotonic.
Conjectured to be a subsequence of A330745.
LINKS
Antti Karttunen, Table of n, a(n) for n = 1..223 (computed from the 10000 term b-file of A002182 prepared from Flammenkamp's data)
FORMULA
a(n) = A329900(A133411(n)).
PROG
(PARI) A330744(n) = A329900(A133411(n));
CROSSREFS
Sequence in context: A333665 A355595 A050293 * A330743 A362144 A244896
KEYWORD
nonn
AUTHOR
Antti Karttunen, Jan 10 2020
STATUS
approved

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Last modified March 2 21:08 EST 2024. Contains 370498 sequences. (Running on oeis4.)