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A157191
Indices of records in
A157190
: prime(a(n)) can be written in more ways as pq-p-q (p,q, prime) than any smaller prime.
1
1, 2, 17, 20, 190, 357, 959, 4479, 10522, 16447, 21383, 22993, 37977, 53972, 129076, 205244, 440069, 745584, 830983, 918422, 1073653, 2309722, 2731757, 3833005, 4788328, 5025102, 5411333
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OFFSET
1,2
LINKS
Table of n, a(n) for n=1..27.
FORMULA
A157191
=
A000720
o
A157190
;
A157190
=
A000040
o
A157191
.
CROSSREFS
Sequence in context:
A075683
A340044
A309055
*
A006029
A332094
A126961
Adjacent sequences:
A157188
A157189
A157190
*
A157192
A157193
A157194
KEYWORD
nonn
AUTHOR
M. F. Hasler
, Mar 16 2009
STATUS
approved
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Last modified May 31 11:21 EDT 2023. Contains 363066 sequences. (Running on oeis4.)