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A102183 Iccanobirt semiprime indices (13 of 15): Indices of semiprime numbers in A102123. 1
5, 9, 12, 15, 16, 17, 19, 21, 25, 28, 33, 35, 37, 46, 61, 63, 70, 71, 81, 82, 89, 90, 100, 103, 106, 121, 133, 147, 204, 212, 220 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

No more terms through 200.

LINKS

Table of n, a(n) for n=0..30.

FORMULA

A102123(a(n)) = A102203(n).

CROSSREFS

Cf. A001358, A102123, A102171-A102185.

Sequence in context: A143834 A314612 A314613 * A153044 A106635 A314614

Adjacent sequences:  A102180 A102181 A102182 * A102184 A102185 A102186

KEYWORD

nonn,more,less,base

AUTHOR

Jonathan Vos Post and Ray Chandler, Dec 31 2004

EXTENSIONS

a(28)-a(30) from Robert Price, Nov 10 2018

STATUS

approved

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Last modified July 26 14:45 EDT 2021. Contains 346294 sequences. (Running on oeis4.)