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A272606 Numbers n such that there is no prime p and index j < n such that A002182(n) = p * A002182(j). 0
1, 815, 4372, 4996, 5312, 5442 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Indices n such that the n-th highly composite number cannot be obtained by multiplying any smaller highly composite number by a prime.

Next term >= 20000.

LINKS

Table of n, a(n) for n=1..6.

CROSSREFS

Sequence in context: A035854 A099116 A183820 * A235976 A015159 A250803

Adjacent sequences:  A272603 A272604 A272605 * A272607 A272608 A272609

KEYWORD

nonn,hard,more

AUTHOR

Joerg Arndt, Nov 01 2016

STATUS

approved

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Last modified May 25 01:57 EDT 2019. Contains 323534 sequences. (Running on oeis4.)