A102185 - OEIS

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A102185

Iccanobirt semiprime indices (15 of 15): Indices of semiprime numbers in A102125.

15

5, 15, 16, 19, 20, 21, 22, 24, 28, 29, 35, 38, 44, 54, 58, 59, 72, 84, 106, 108, 137, 145, 174, 227, 238, 253, 258, 362, 363, 371, 388

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Table of n, a(n) for n=1..31.

FORMULA

A102125(a(n)) = A102205(n).

CROSSREFS

Cf. A001358, A102125, A102171-A102184, A102205.

Sequence in context: A015666 A291627 A045856 * A030486 A101238 A109161

Adjacent sequences: A102182 A102183 A102184 * A102186 A102187 A102188

KEYWORD

nonn,base,more,less

AUTHOR

Jonathan Vos Post and Ray Chandler, Dec 31 2004

EXTENSIONS

a(24)-a(27) from Robert Price, Nov 11 2018

Offset changed to 1 and a(28)-a(31) from Jinyuan Wang, Aug 15 2021

STATUS

approved